Name

timest2p

Label

Percent of sleep time spent in stage 2 sleep

Units
percent (%)
Type
numeric
Visit number vs Percent of sleep time spent in stage 2 sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 49 48.9 ± 9.9 47.7 22.7 66.9 - 49
9-Month Followup 43 52.1 ± 8.8 51.3 30.3 69.0 - 43
18-Month Followup 40 52.1 ± 9.2 53.5 33.1 72.6 - 40
Randomized Treatment Arm vs Percent of sleep time spent in stage 2 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 48.9 ± 9.9 47.7 22.7 66.9 - 49
Laparoscopic Gastric Banding (LGB) 28 49.5 ± 9.3 47.3 33.0 66.9 - 28
Continuous Positive Airway Pressure (CPAP) 21 48.0 ± 10.9 48.7 22.7 62.4 - 21
Randomized Treatment Arm vs Percent of sleep time spent in stage 2 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 52.1 ± 8.8 51.3 30.3 69.0 - 43
Laparoscopic Gastric Banding (LGB) 25 52.9 ± 9.5 53.9 30.3 67.1 - 25
Continuous Positive Airway Pressure (CPAP) 18 51.0 ± 7.7 50.9 32.4 69.0 - 18
Randomized Treatment Arm vs Percent of sleep time spent in stage 2 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 52.1 ± 9.2 53.5 33.1 72.6 - 40
Laparoscopic Gastric Banding (LGB) 24 52.2 ± 9.9 51.7 33.1 72.6 - 24
Continuous Positive Airway Pressure (CPAP) 16 51.9 ± 8.4 53.9 36.0 66.7 - 16
Age of participant vs Percent of sleep time spent in stage 2 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 48.9 ± 9.9 47.7 22.7 66.9 - 49
27.0 to 45.0 years 13 48.1 ± 9.9 47.6 32.3 62.4 - 13
46.0 to 50.0 years 12 46.9 ± 10.2 44.0 35.6 66.9 - 12
51.0 to 56.0 years 12 51.6 ± 11.5 55.6 22.7 65.4 - 12
57.0 to 65.0 years 12 48.9 ± 8.5 48.9 33.0 62.6 - 12
Age of participant vs Percent of sleep time spent in stage 2 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 52.1 ± 8.8 51.3 30.3 69.0 - 43
28.0 to 47.0 years 11 52.5 ± 7.2 50.2 40.6 64.9 - 11
47.0 to 52.0 years 11 51.8 ± 6.3 51.3 43.8 65.0 - 11
52.0 to 58.0 years 11 55.3 ± 10.5 56.4 33.9 69.0 - 11
58.0 to 65.0 years 10 48.3 ± 10.3 51.8 30.3 60.8 - 10
Age of participant vs Percent of sleep time spent in stage 2 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 52.1 ± 9.2 53.5 33.1 72.6 - 40
29.0 to 46.0 years 10 52.6 ± 9.9 52.9 38.2 66.7 - 10
47.0 to 52.0 years 10 54.9 ± 7.9 53.5 45.5 72.6 - 10
53.0 to 58.0 years 10 50.2 ± 10.5 53.5 33.1 65.7 - 10
58.0 to 65.0 years 10 50.8 ± 9.1 51.8 36.0 66.1 - 10
Gender vs Percent of sleep time spent in stage 2 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 48.9 ± 9.9 47.7 22.7 66.9 - 49
Male 28 46.7 ± 9.8 45.7 22.7 62.6 - 28
Female 21 51.8 ± 9.5 51.3 35.6 66.9 - 21
Gender vs Percent of sleep time spent in stage 2 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 52.1 ± 8.8 51.3 30.3 69.0 - 43
Male 25 53.2 ± 9.1 54.1 30.3 69.0 - 25
Female 18 50.5 ± 8.2 51.2 32.4 63.1 - 18
Gender vs Percent of sleep time spent in stage 2 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 52.1 ± 9.2 53.5 33.1 72.6 - 40
Male 25 53.0 ± 10.3 54.3 33.1 72.6 - 25
Female 15 50.6 ± 7.1 52.8 36.0 59.0 - 15
Race vs Percent of sleep time spent in stage 2 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 48.9 ± 9.9 47.7 22.7 66.9 - 49
White 35 48.2 ± 9.7 46.8 22.7 66.9 - 35
Black 9 50.5 ± 11.0 53.6 33.0 65.2 - 9
Other 5 50.3 ± 11.0 56.0 32.3 58.5 - 5
Race vs Percent of sleep time spent in stage 2 sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 52.1 ± 8.8 51.3 30.3 69.0 - 43
White 31 51.8 ± 9.2 50.4 32.4 69.0 - 31
Black 8 51.1 ± 8.7 54.0 30.3 56.5 - 8
Other 4 56.4 ± 5.0 55.6 51.2 63.1 - 4
Race vs Percent of sleep time spent in stage 2 sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 52.1 ± 9.2 53.5 33.1 72.6 - 40
White 29 51.2 ± 9.1 52.8 33.1 66.1 - 29
Black 7 53.7 ± 10.7 54.1 41.8 72.6 - 7
Other 4 56.0 ± 8.0 55.0 47.4 66.7 - 4