| Name | Label | Folder | |
|---|---|---|---|
|
avgpapuse
Average Continuous Positive Airway Pressure (CPAP) use per night
|
Average Continuous Positive Airway Pressure (CPAP) use per night
Computed as the total time of Continuous Positive Airway Pressure (CPAP) use divided by the total number of days in the interval. Follow-up periods of 30 days were used at Month 1 and Month 3. |
Adherence | |
|
ahi
Final Apnea-Hypopnea Index (AHI)
|
Final Apnea-Hypopnea Index (AHI)
Determined from the diagnostic sleep study. |
Administrative | |
|
clusterid
Recoded Site Identifier
|
Recoded Site Identifier
The original site identifier was removed from the dataset because it was identifiable. |
Administrative | |
|
nsrrid
NSRR Subject Identifier
|
NSRR Subject Identifier
This identifer links the subject's data and files. |
Administrative | |
|
treatmentarm
Treatment arm
|
Treatment arm
Subjects were randomized to a treatment arm (i.e. diagnostic study type) at the end of the Baseline Visit. |
Administrative | |
|
bmi
Body mass index (BMI)
|
Body mass index (BMI) | Anthropometry | |
|
diastolic
Diastolic blood pressure
|
Diastolic blood pressure
Average of the 2nd and 3rd resting diastolic blood pressure readings. |
Blood Pressure | |
|
systolic
Systolic blood pressure
|
Systolic blood pressure
Average of the 2nd and 3rd resting systolic blood pressure readings. |
Blood Pressure | |
|
age
Age at baseline visit
|
Age at baseline visit
The age of the subject at the time of the baseline visit and randomization. |
Demographics | |
|
ethnicity
Ethnicity
|
Ethnicity | Demographics | |
|
gender
Gender
|
Gender | Demographics | |
|
race3
Race
|
Race
Self-reported race collapsed into three (3) categories. |
Demographics | |
|
aphypi
Apnea-Hypopnea Index (AHI) (home test)
|
Apnea-Hypopnea Index (AHI) (home test) | Polysomnography/Home | |
|
avgbpn
Average heart rate (home test)
|
Average heart rate (home test) | Polysomnography/Home | |
|
avgsat
Average oxygen saturation (home test)
|
Average oxygen saturation (home test) | Polysomnography/Home | |
|
index_time
Total recording time (home test)
|
Total recording time (home test)
This time period is used to calculate indices and other averages. |
Polysomnography/Home | |
|
ahi_d
Apnea-Hypopnea Index (AHI) (split-night, diagnostic)
|
Apnea-Hypopnea Index (AHI) (split-night, diagnostic) | Polysomnography/Lab | |
|
ahi_full
Apnea-Hypopnea Index (AHI) (full-night)
|
Apnea-Hypopnea Index (AHI) (full-night) | Polysomnography/Lab | |
|
ahi_t
Apnea-Hypopnea Index (AHI) (split-night, treatment)
|
Apnea-Hypopnea Index (AHI) (split-night, treatment) | Polysomnography/Lab | |
|
avghr
Average heart rate (full-night)
|
Average heart rate (full-night) | Polysomnography/Lab | |
|
avghr_d
Average heart rate (split-night, diagnostic)
|
Average heart rate (split-night, diagnostic) | Polysomnography/Lab | |
|
avghr_t
Average heart rate (split-night, treatment)
|
Average heart rate (split-night, treatment) | Polysomnography/Lab | |
|
avgsao2
Average oxygen saturation (full-night)
|
Average oxygen saturation (full-night) | Polysomnography/Lab | |
|
avgsao2_d
Average oxygen saturation (split-night, diagnostic)
|
Average oxygen saturation (split-night, diagnostic) | Polysomnography/Lab | |
|
avgsao2_t
Average oxygen saturation (split-night, treatment)
|
Average oxygen saturation (split-night, treatment) | Polysomnography/Lab | |
|
slpprd_d
Total sleep time (split-night, diagnostic)
|
Total sleep time (split-night, diagnostic)
This time period is used to calculate indices and other averages. |
Polysomnography/Lab | |
|
slpprdp
Total sleep time (full-night)
|
Total sleep time (full-night)
This time period is used to calculate indices and other averages. |
Polysomnography/Lab | |
|
slpprd_t
Total sleep time (split-night, treatment)
|
Total sleep time (split-night, treatment)
This time period is used to calculate indices and other averages. |
Polysomnography/Lab | |
|
cal_total
Calgary Sleep Apnea Quality of Life Index (SAQLI): Total Score
|
Calgary Sleep Apnea Quality of Life Index (SAQLI): Total Score | Questionnaires/Calgary | |
|
esstotal
Epworth Sleepiness Scale (ESS): Total Score
|
Epworth Sleepiness Scale (ESS): Total Score
Sum of eight (8) individual items |
Questionnaires/Epworth | |
|
fosq_global
Functional Outcomes of Sleep Questionnaire (FOSQ): Global Score
|
Functional Outcomes of Sleep Questionnaire (FOSQ): Global Score
Mean of the subscales multiplied by five (5). |
Questionnaires/FOSQ | |
|
sf36_mcs
Short Form (36) Health Survey (SF-36): Standardized Mental Component Scale
|
Short Form (36) Health Survey (SF-36): Standardized Mental Component Scale
Derived from the Short Form (36) Health Survey (SF-36), a patient-reported survey of patient health. |
Questionnaires/SF-36 | |
|
sf36_pcs
Short Form (36) Health Survey (SF-36): Standardized Physical Component Scale
|
Short Form (36) Health Survey (SF-36): Standardized Physical Component Scale
Derived from the Short Form (36) Health Survey (SF-36), a patient-reported survey of patient health. |
Questionnaires/SF-36 | |
|
ablation
Ablation at optimal pressure (Apnea-Hypopnea Index (AHI) < 10)
|
Ablation at optimal pressure (Apnea-Hypopnea Index (AHI) < 10) | Administrative | |
|
pressure
Optimal titration pressure
|
Optimal titration pressure | Administrative | |
|
ttt
Time to treatment
|
Time to treatment
The difference between the date device delivered and date of enrollment. |
Administrative | |
|
visit
Visit number
|
Visit number | Administrative | |
|
acceptance
Accepted Automatic Positive Airway Pressure (APAP) equipment (Has Continuous Positive Airway Pressure (CPAP) prescription)
|
Accepted Automatic Positive Airway Pressure (APAP) equipment (Has Continuous Positive Airway Pressure (CPAP) prescription) | Administrative/CONSORT Diagram | |
|
ahige15
Apnea-Hypopnea Index (AHI) >= 15 on diagnostic sleep study
|
Apnea-Hypopnea Index (AHI) >= 15 on diagnostic sleep study | Administrative/CONSORT Diagram | |
|
completedm1
Completed Month 1 Follow-up Visit
|
Completed Month 1 Follow-up Visit | Administrative/CONSORT Diagram | |
|
completedm1m3
Completed Month 1 and Month 3 Follow-up Visits
|
Completed Month 1 and Month 3 Follow-up Visits | Administrative/CONSORT Diagram | |
|
completedm3
Completed Month 3 Follow-up Visit
|
Completed Month 3 Follow-up Visit | Administrative/CONSORT Diagram | |
|
crossover
Crossed-over to Lab Arm from Home Arm
|
Crossed-over to Lab Arm from Home Arm | Administrative/CONSORT Diagram | |
|
diagnostic
Received diagnostic sleep study
|
Received diagnostic sleep study | Administrative/CONSORT Diagram | |
|
eligible
Eligible for treatment (Apnea-Hypopnea Index (AHI) >= 15 and not withdrawn)
|
Eligible for treatment (Apnea-Hypopnea Index (AHI) >= 15 and not withdrawn) | Administrative/CONSORT Diagram | |
|
titrated
Titrated for optimal pressure
|
Titrated for optimal pressure | Administrative/CONSORT Diagram | |
|
heightcm
Height
|
Height | Anthropometry | |
|
neckcm
Neck circumference
|
Neck circumference | Anthropometry | |
|
waistcm
Waist circumference
|
Waist circumference | Anthropometry | |
|
weightkg
Weight
|
Weight | Anthropometry | |
|
dxadhd
Diagnosed with attention deficit hyperactivity disorder (ADHD)
|
Diagnosed with attention deficit hyperactivity disorder (ADHD) | Medical History | |
|
dxasth
Diagnosed with asthma
|
Diagnosed with asthma | Medical History | |
|
dxca
Diagnosed with cancer
|
Diagnosed with cancer | Medical History | |
|
dxcatyp
If diagnosed with cancer: Cancer type
|
If diagnosed with cancer: Cancer type | Medical History | |
|
dxchd
Diagnosed with coronary heart disease (angina, heart attack)
|
Diagnosed with coronary heart disease (angina, heart attack) | Medical History | |
|
dxchf
Diagnosed with congestive heart failure
|
Diagnosed with congestive heart failure | Medical History | |
|
dxdep
Diagnosed with depression
|
Diagnosed with depression | Medical History | |
|
dxdiab
Diagnosed with diabetes
|
Diagnosed with diabetes | Medical History | |
|
dxemph
Diagnosed with emphysema
|
Diagnosed with emphysema | Medical History | |
|
dxgerd
Diagnosed with gastroesophageal reflux disease (GERD)
|
Diagnosed with gastroesophageal reflux disease (GERD) | Medical History | |
|
dxhay
Diagnosed with hay fever / nasal congestion / sinusitis
|
Diagnosed with hay fever / nasal congestion / sinusitis | Medical History | |
|
dxhich
Diagnosed with high cholesterol
|
Diagnosed with high cholesterol | Medical History | |
|
dxhtn
Diagnosed with hypertension (high blood pressure)
|
Diagnosed with hypertension (high blood pressure) | Medical History | |
|
dxhyperthy
Diagnosed with hyperthyroidism (over-active thyroid)
|
Diagnosed with hyperthyroidism (over-active thyroid) | Medical History | |
|
dxhypothy
Diagnosed with hypothyroidism (under-active thyroid)
|
Diagnosed with hypothyroidism (under-active thyroid) | Medical History | |
|
dxkidney
Diagnosed with kidney disease
|
Diagnosed with kidney disease | Medical History | |
|
dxliver
Diagnosed with liver disease
|
Diagnosed with liver disease | Medical History | |
|
dxplhtn
Diagnosed with pulmonary hypertension
|
Diagnosed with pulmonary hypertension | Medical History | |
|
dxseiz
Diagnosed with seizures / epilepsy
|
Diagnosed with seizures / epilepsy | Medical History | |
|
dxstroke
Diagnosed with stroke
|
Diagnosed with stroke | Medical History | |
|
satlt90p
Portion of sleep time spent with oxygen saturation less than 90% (home test)
|
Portion of sleep time spent with oxygen saturation less than 90% (home test) | Polysomnography/Home | |
|
pctrem_d
Portion of sleep time spent in rapid eye movement sleep (REM) (split-night, diagnostic)
|
Portion of sleep time spent in rapid eye movement sleep (REM) (split-night, diagnostic) | Polysomnography/Lab | |
|
pctrem_t
Portion of sleep time spent in rapid eye movement sleep (REM) (split-night, treatment)
|
Portion of sleep time spent in rapid eye movement sleep (REM) (split-night, treatment) | Polysomnography/Lab | |
|
pctsa90h
Portion of sleep time spent with oxygen saturation less than 90% (full-night)
|
Portion of sleep time spent with oxygen saturation less than 90% (full-night) | Polysomnography/Lab | |
|
pctsa90p_d
Portion of sleep time spent with oxygen saturation less than 90% (split-night, diagnostic)
|
Portion of sleep time spent with oxygen saturation less than 90% (split-night, diagnostic) | Polysomnography/Lab | |
|
pctsa90p_t
Portion of sleep time spent with oxygen saturation less than 90% (split-night, treatment)
|
Portion of sleep time spent with oxygen saturation less than 90% (split-night, treatment) | Polysomnography/Lab | |
|
pctstg1_d
Portion of sleep time spent in Stage 1 (split-night, diagnostic)
|
Portion of sleep time spent in Stage 1 (split-night, diagnostic) | Polysomnography/Lab | |
|
pctstg1_t
Portion of sleep time spent in Stage 1 (split-night, treatment)
|
Portion of sleep time spent in Stage 1 (split-night, treatment) | Polysomnography/Lab | |
|
pctstg2_d
Portion of sleep time spent in Stage 2 (split-night, diagnostic)
|
Portion of sleep time spent in Stage 2 (split-night, diagnostic) | Polysomnography/Lab | |
|
pctstg2_t
Portion of sleep time spent in Stage 2 (split-night, treatment)
|
Portion of sleep time spent in Stage 2 (split-night, treatment) | Polysomnography/Lab | |
|
pctstg34_d
Portion of sleep time spent in Stage 3/4 (split-night, diagnostic)
|
Portion of sleep time spent in Stage 3/4 (split-night, diagnostic) | Polysomnography/Lab | |
|
pctstg34_t
Portion of sleep time spent in Stage 3/4 (split-night, treatment)
|
Portion of sleep time spent in Stage 3/4 (split-night, treatment) | Polysomnography/Lab | |
|
slpeff_d
Sleep efficiency (split-night, diagnostic)
|
Sleep efficiency (split-night, diagnostic) | Polysomnography/Lab | |
|
slpeffp
Sleep efficiency (full-night)
|
Sleep efficiency (full-night) | Polysomnography/Lab | |
|
slpeff_t
Sleep efficiency (split-night, treatment)
|
Sleep efficiency (split-night, treatment) | Polysomnography/Lab | |
|
tmremp
Portion of sleep time spent in rapid eye movement sleep (REM) (full-night)
|
Portion of sleep time spent in rapid eye movement sleep (REM) (full-night) | Polysomnography/Lab | |
|
tmstg1p
Portion of sleep time spent in Stage 1 (full-night)
|
Portion of sleep time spent in Stage 1 (full-night) | Polysomnography/Lab | |
|
tmstg2p
Portion of sleep time spent in Stage 2 (full-night)
|
Portion of sleep time spent in Stage 2 (full-night) | Polysomnography/Lab | |
|
tmstg34p
Portion of sleep time spent in Stage 3/4 (full-night)
|
Portion of sleep time spent in Stage 3/4 (full-night) | Polysomnography/Lab | |
|
fosq_actlev
Functional Outcomes of Sleep Questionnaire (FOSQ): Activity Level Score
|
Functional Outcomes of Sleep Questionnaire (FOSQ): Activity Level Score
Mean of items 5, 14-16, and 22-26. |
Questionnaires/FOSQ | |
|
fosq_genprd
Functional Outcomes of Sleep Questionnaire (FOSQ): General Productivity Score
|
Functional Outcomes of Sleep Questionnaire (FOSQ): General Productivity Score
Mean of items 1-4 and 8-11. |
Questionnaires/FOSQ | |
|
fosq_sexual
Functional Outcomes of Sleep Questionnaire (FOSQ): Sexual Activity Score
|
Functional Outcomes of Sleep Questionnaire (FOSQ): Sexual Activity Score
Mean of items 27-30. |
Questionnaires/FOSQ | |
|
fosq_socout
Functional Outcomes of Sleep Questionnaire (FOSQ): Social Outcome Score
|
Functional Outcomes of Sleep Questionnaire (FOSQ): Social Outcome Score
Mean of items 12-13. |
Questionnaires/FOSQ | |
|
fosq_vigiln
Functional Outcomes of Sleep Questionnaire (FOSQ): Vigilance Score
|
Functional Outcomes of Sleep Questionnaire (FOSQ): Vigilance Score
Mean of items 6-7 and 17-21. |
Questionnaires/FOSQ | |
|
agg_ment
Short Form (36) Health Survey (SF-36): Aggregate Mental Score
|
Short Form (36) Health Survey (SF-36): Aggregate Mental Score
Derived from the Short Form (36) Health Survey (SF-36), a patient-reported survey of patient health. |
Questionnaires/SF-36 | |
|
agg_phys
Short Form (36) Health Survey (SF-36): Aggregate Physical Score
|
Short Form (36) Health Survey (SF-36): Aggregate Physical Score
Derived from the Short Form (36) Health Survey (SF-36), a patient-reported survey of patient health. |
Questionnaires/SF-36 | |
|
bp_norm
Short Form (36) Health Survey (SF-36): Bodily Pain Norm Score
|
Short Form (36) Health Survey (SF-36): Bodily Pain Norm Score
Derived from the Short Form (36) Health Survey (SF-36), a patient-reported survey of patient health. |
Questionnaires/SF-36 | |
|
gh_norm
Short Form (36) Health Survey (SF-36): General Health Perception Norm Score
|
Short Form (36) Health Survey (SF-36): General Health Perception Norm Score
Derived from the Short Form (36) Health Survey (SF-36), a patient-reported survey of patient health. |
Questionnaires/SF-36 | |
|
mh_norm
Short Form (36) Health Survey (SF-36): Mental Health Norm Score
|
Short Form (36) Health Survey (SF-36): Mental Health Norm Score
Derived from the Short Form (36) Health Survey (SF-36), a patient-reported survey of patient health. |
Questionnaires/SF-36 | |
|
pf_norm
Short Form (36) Health Survey (SF-36): Physical Functioning Norm Score
|
Short Form (36) Health Survey (SF-36): Physical Functioning Norm Score
Derived from the Short Form (36) Health Survey (SF-36), a patient-reported survey of patient health. |
Questionnaires/SF-36 |