Name

oai_o0

Label

Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep

Calculation
oai_o0 = 60 * (oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
Visit number vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 49 12.1 ± 19.0 3.6 0.0 78.4 - 49
9-Month Followup 43 9.1 ± 19.0 1.7 0.0 83.9 - 43
18-Month Followup 40 5.7 ± 9.4 2.0 0.0 42.0 - 40
Randomized Treatment Arm vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 12.1 ± 19.0 3.6 0.0 78.4 - 49
Laparoscopic Gastric Banding (LGB) 28 11.5 ± 15.3 6.1 0.0 61.3 - 28
Continuous Positive Airway Pressure (CPAP) 21 12.9 ± 23.4 2.2 0.0 78.4 - 21
Randomized Treatment Arm vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 9.1 ± 19.0 1.7 0.0 83.9 - 43
Laparoscopic Gastric Banding (LGB) 25 8.0 ± 15.0 3.3 0.0 74.8 - 25
Continuous Positive Airway Pressure (CPAP) 18 10.5 ± 23.8 0.8 0.0 83.9 - 18
Randomized Treatment Arm vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 5.7 ± 9.4 2.0 0.0 42.0 - 40
Laparoscopic Gastric Banding (LGB) 24 6.9 ± 11.0 2.9 0.0 42.0 - 24
Continuous Positive Airway Pressure (CPAP) 16 3.8 ± 6.0 1.4 0.0 19.7 - 16
Age of participant vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 12.1 ± 19.0 3.6 0.0 78.4 - 49
27.0 to 45.0 years 13 15.2 ± 23.1 2.2 0.0 61.3 - 13
46.0 to 50.0 years 12 5.4 ± 6.4 3.3 0.0 20.0 - 12
51.0 to 56.0 years 12 18.3 ± 26.4 7.7 0.4 78.4 - 12
57.0 to 65.0 years 12 9.1 ± 12.1 3.8 0.1 43.7 - 12
Age of participant vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 9.1 ± 19.0 1.7 0.0 83.9 - 43
28.0 to 47.0 years 11 10.6 ± 22.2 0.7 0.0 74.8 - 11
47.0 to 52.0 years 11 5.6 ± 6.3 3.6 0.0 20.4 - 11
52.0 to 58.0 years 11 16.9 ± 29.0 2.0 0.1 83.9 - 11
58.0 to 65.0 years 10 2.6 ± 3.1 1.1 0.0 10.0 - 10
Age of participant vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 5.7 ± 9.4 2.0 0.0 42.0 - 40
29.0 to 46.0 years 10 8.1 ± 12.0 2.4 0.0 36.2 - 10
47.0 to 52.0 years 10 3.1 ± 3.5 2.0 0.0 11.5 - 10
53.0 to 58.0 years 10 5.1 ± 6.8 1.9 0.0 17.3 - 10
58.0 to 65.0 years 10 6.4 ± 12.7 2.2 0.0 42.0 - 10
Gender vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 12.1 ± 19.0 3.6 0.0 78.4 - 49
Male 28 15.7 ± 21.1 7.9 0.0 78.4 - 28
Female 21 7.2 ± 14.8 2.7 0.0 68.7 - 21
Gender vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 9.1 ± 19.0 1.7 0.0 83.9 - 43
Male 25 11.1 ± 21.3 3.3 0.0 83.9 - 25
Female 18 6.2 ± 15.3 0.7 0.0 64.0 - 18
Gender vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 5.7 ± 9.4 2.0 0.0 42.0 - 40
Male 25 7.7 ± 11.1 3.0 0.0 42.0 - 25
Female 15 2.3 ± 3.4 0.5 0.0 11.5 - 15
Race vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 12.1 ± 19.0 3.6 0.0 78.4 - 49
White 35 12.0 ± 18.4 3.6 0.0 78.4 - 35
Black 9 10.4 ± 22.1 2.1 0.0 68.7 - 9
Other 5 15.6 ± 21.7 5.5 2.2 53.2 - 5
Race vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 9.1 ± 19.0 1.7 0.0 83.9 - 43
White 31 8.8 ± 19.5 2.0 0.0 83.9 - 31
Black 8 12.0 ± 22.1 1.4 0.0 64.0 - 8
Other 4 5.1 ± 5.5 5.1 0.0 10.0 - 4
Race vs Obstructive Apnea Index (OAI) - number of obstructive apneas per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 5.7 ± 9.4 2.0 0.0 42.0 - 40
White 29 6.4 ± 10.8 1.6 0.0 42.0 - 29
Black 7 4.4 ± 4.1 3.0 0.0 11.5 - 7
Other 4 2.7 ± 1.8 3.5 0.0 3.8 - 4