Treatment Arm

Visit number vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 49 10.5 ± 8.2 9.9 0.0 32.2 - 49
9-Month Followup 43 11.2 ± 8.3 12.3 0.0 30.1 - 43
18-Month Followup 40 12.8 ± 9.7 10.9 0.0 33.8 - 40
Randomized treatment arm vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 10.5 ± 8.2 9.9 0.0 32.2 - 49
Laparoscopic Gastric Banding (LGB) 28 10.5 ± 7.9 9.4 0.0 29.2 - 28
Continuous Positive Airway Pressure (CPAP) 21 10.5 ± 8.6 11.6 0.0 32.2 - 21
Randomized treatment arm vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 11.2 ± 8.3 12.3 0.0 30.1 - 43
Laparoscopic Gastric Banding (LGB) 25 10.7 ± 8.8 10.6 0.0 30.1 - 25
Continuous Positive Airway Pressure (CPAP) 18 11.8 ± 7.7 13.6 0.0 24.7 - 18
Randomized treatment arm vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 12.8 ± 9.7 10.9 0.0 33.8 - 40
Laparoscopic Gastric Banding (LGB) 24 11.7 ± 10.2 8.6 0.0 33.8 - 24
Continuous Positive Airway Pressure (CPAP) 16 14.4 ± 9.0 13.3 2.3 29.6 - 16
Age of the participant vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 10.5 ± 8.2 9.9 0.0 32.2 - 49
27.0 to 45.0 years 13 10.2 ± 8.6 11.6 0.0 32.2 - 13
46.0 to 50.0 years 12 12.4 ± 8.7 10.8 1.1 29.2 - 12
51.0 to 56.0 years 12 12.2 ± 8.3 12.5 0.0 22.8 - 12
57.0 to 65.0 years 12 7.0 ± 6.6 6.1 0.0 19.0 - 12
Age of the participant vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 11.2 ± 8.3 12.3 0.0 30.1 - 43
28.0 to 47.0 years 11 10.3 ± 6.4 7.2 2.5 22.5 - 11
47.0 to 52.0 years 11 10.9 ± 6.8 12.8 1.1 18.6 - 11
52.0 to 58.0 years 11 13.8 ± 10.7 14.6 0.0 30.1 - 11
58.0 to 65.0 years 10 9.5 ± 9.2 8.0 0.0 26.3 - 10
Age of the participant vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 12.8 ± 9.7 10.9 0.0 33.8 - 40
29.0 to 46.0 years 10 12.5 ± 7.8 11.2 2.3 29.6 - 10
47.0 to 52.0 years 10 10.6 ± 8.3 8.6 0.7 27.6 - 10
53.0 to 58.0 years 10 16.2 ± 12.6 14.2 1.8 33.8 - 10
58.0 to 65.0 years 10 11.9 ± 10.1 12.1 0.0 27.5 - 10
Gender of the participant vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 10.5 ± 8.2 9.9 0.0 32.2 - 49
Male 28 9.0 ± 9.0 8.3 0.0 32.2 - 28
Female 21 12.4 ± 6.7 11.9 0.7 23.3 - 21
Gender of the participant vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 11.2 ± 8.3 12.3 0.0 30.1 - 43
Male 25 8.7 ± 7.5 6.6 0.0 23.7 - 25
Female 18 14.7 ± 8.3 14.6 1.5 30.1 - 18
Gender of the participant vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 12.8 ± 9.7 10.9 0.0 33.8 - 40
Male 25 10.8 ± 8.4 9.5 0.0 29.6 - 25
Female 15 16.2 ± 11.0 12.8 1.8 33.8 - 15
Race of the participant vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 46 10.1 ± 8.3 8.8 0.0 32.2 - 46
white 35 9.6 ± 7.7 8.9 0.0 32.2 - 35
american indian or alaska native - - - - - - - -
black or african american 9 13.9 ± 9.8 14.6 0.0 29.2 - 9
asian 2 1.9 ± 2.7 1.9 0.0 3.8 - 2
native hawaiian or other pacific islander - - - - - - - -
other - - - - - - - -
multiple - - - - - - - -
Race of the participant vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 10.8 ± 8.5 11.5 0.0 30.1 - 40
white 31 10.6 ± 9.0 7.2 0.0 30.1 - 31
american indian or alaska native - - - - - - - -
black or african american 8 12.3 ± 7.2 14.0 0.0 20.7 - 8
asian 1 6.6 - 6.6 6.6 6.6 - 1
native hawaiian or other pacific islander - - - - - - - -
other - - - - - - - -
multiple - - - - - - - -
Race of the participant vs Percent of total sleep duration in stage 3 - 4 sleep from type I polysomnography
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 37 12.1 ± 9.4 9.7 0.0 31.5 - 37
white 29 12.1 ± 9.0 9.7 0.7 31.5 - 29
american indian or alaska native - - - - - - - -
black or african american 7 13.3 ± 11.7 15.5 0.0 27.6 - 7
asian 1 2.3 - 2.3 2.3 2.3 - 1
native hawaiian or other pacific islander - - - - - - - -
other - - - - - - - -
multiple - - - - - - - -