Name

ahi_o0h4a

Label

Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep

Calculation
ahi_o0h4a = 60 * (hremba4 + hroa4 + hnrba4 + hnroa4 + urbpa4 + uropa4 + unrbpa4 + unropa4 + oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
Visit number vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 49 44.2 ± 27.4 35.3 0.7 124.0 - 49
9-Month Followup 43 33.0 ± 27.9 23.8 3.3 109.9 - 43
18-Month Followup 40 30.5 ± 22.3 24.1 3.1 81.4 - 40
Randomized Treatment Arm vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 44.2 ± 27.4 35.3 0.7 124.0 - 49
Laparoscopic Gastric Banding (LGB) 28 45.4 ± 23.6 41.9 6.4 112.8 - 28
Continuous Positive Airway Pressure (CPAP) 21 42.6 ± 32.3 29.8 0.7 124.0 - 21
Randomized Treatment Arm vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 33.0 ± 27.9 23.8 3.3 109.9 - 43
Laparoscopic Gastric Banding (LGB) 25 33.5 ± 25.5 24.8 5.1 109.9 - 25
Continuous Positive Airway Pressure (CPAP) 18 32.2 ± 31.7 19.6 3.3 108.5 - 18
Randomized Treatment Arm vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 30.5 ± 22.3 24.1 3.1 81.4 - 40
Laparoscopic Gastric Banding (LGB) 24 30.0 ± 23.5 21.9 3.1 81.4 - 24
Continuous Positive Airway Pressure (CPAP) 16 31.3 ± 21.1 26.5 5.5 71.3 - 16
Age of participant vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 44.2 ± 27.4 35.3 0.7 124.0 - 49
27.0 to 45.0 years 13 43.8 ± 35.1 29.1 0.7 112.8 - 13
46.0 to 50.0 years 12 36.3 ± 18.1 33.9 6.4 72.8 - 12
51.0 to 56.0 years 12 48.8 ± 33.8 36.1 16.9 124.0 - 12
57.0 to 65.0 years 12 47.7 ± 18.9 44.6 19.4 74.9 - 12
Age of participant vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 33.0 ± 27.9 23.8 3.3 109.9 - 43
28.0 to 47.0 years 11 30.8 ± 32.3 20.8 3.3 109.9 - 11
47.0 to 52.0 years 11 28.4 ± 17.7 24.8 6.4 59.4 - 11
52.0 to 58.0 years 11 36.1 ± 37.9 19.6 5.1 108.5 - 11
58.0 to 65.0 years 10 37.0 ± 22.0 40.5 7.1 82.8 - 10
Age of participant vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 30.5 ± 22.3 24.1 3.1 81.4 - 40
29.0 to 46.0 years 10 37.8 ± 21.1 36.8 8.2 69.5 - 10
47.0 to 52.0 years 10 25.8 ± 19.1 26.7 3.9 62.4 - 10
53.0 to 58.0 years 10 26.8 ± 21.9 18.5 6.7 71.3 - 10
58.0 to 65.0 years 10 31.7 ± 27.7 20.4 3.1 81.4 - 10
Gender vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 44.2 ± 27.4 35.3 0.7 124.0 - 49
Male 28 49.6 ± 26.8 44.6 9.3 112.8 - 28
Female 21 37.0 ± 27.2 30.2 0.7 124.0 - 21
Gender vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 33.0 ± 27.9 23.8 3.3 109.9 - 43
Male 25 37.5 ± 29.9 28.1 3.3 109.9 - 25
Female 18 26.8 ± 24.5 19.3 5.1 102.2 - 18
Gender vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 30.5 ± 22.3 24.1 3.1 81.4 - 40
Male 25 34.4 ± 21.3 31.1 6.7 81.4 - 25
Female 15 24.1 ± 23.2 16.3 3.1 71.3 - 15
Race vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 44.2 ± 27.4 35.3 0.7 124.0 - 49
White 35 43.2 ± 26.4 34.8 0.7 112.8 - 35
Black 9 47.9 ± 30.7 40.4 20.2 124.0 - 9
Other 5 44.5 ± 34.6 35.3 15.2 104.3 - 5
Race vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 33.0 ± 27.9 23.8 3.3 109.9 - 43
White 31 30.7 ± 26.6 21.4 5.1 109.9 - 31
Black 8 48.4 ± 33.2 49.4 6.6 102.2 - 8
Other 4 19.8 ± 19.1 15.3 3.3 45.1 - 4
Race vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 30.5 ± 22.3 24.1 3.1 81.4 - 40
White 29 29.3 ± 20.9 25.1 3.1 81.4 - 29
Black 7 45.0 ± 27.4 46.3 15.7 81.2 - 7
Other 4 14.2 ± 5.5 14.3 8.2 19.9 - 4