Name
pctstg2_t
Label
Percentage of stage 2 sleep among total sleep duration from type I polysomnography (split-night, treatment)
Description

Conventionally, total sleep duration would be called total sleep time (TST).

Units
percent
Type
numeric
Visit number vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography (split-night, treatment)
N Mean StdDev Median Min Max Unknown Total
Baseline Visit 56 47.5 ± 16.0 47.0 15.7 100.0 317 373
Month 1 Follow-up Visit - - - - - - - -
Month 3 Follow-up Visit - - - - - - - -
Treatment arm vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography (split-night, treatment)
Baseline Visit
N Mean StdDev Median Min Max Unknown Total
Total 56 47.5 ± 16.0 47.0 15.7 100.0 317 373
Lab 55 47.6 ± 16.2 47.2 15.7 100.0 131 186
Home 1 45.4 - 45.4 45.4 45.4 186 187
Age at baseline visit vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography (split-night, treatment)
Baseline Visit
N Mean StdDev Median Min Max Unknown Total
Total 56 47.5 ± 16.0 47.0 15.7 100.0 317 373
20.0 to 37.0 years 12 42.1 ± 13.4 39.2 25.0 68.9 82 94
37.0 to 46.0 years 15 46.5 ± 13.6 47.7 15.7 67.1 78 93
46.0 to 55.0 years 13 52.3 ± 20.3 47.6 22.1 100.0 80 93
55.0 to 80.0 years 16 48.7 ± 16.1 49.3 16.2 69.9 77 93
Gender vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography (split-night, treatment)
Baseline Visit
N Mean StdDev Median Min Max Unknown Total
Total 56 47.5 ± 16.0 47.0 15.7 100.0 317 373
Female 14 41.2 ± 10.0 39.7 25.0 59.8 134 148
Male 42 49.7 ± 17.1 49.7 15.7 100.0 183 225
Race vs Percentage of stage 2 sleep among total sleep duration from type I polysomnography (split-night, treatment)
Baseline Visit
N Mean StdDev Median Min Max Unknown Total
Total 55 47.4 ± 16.1 46.7 15.7 100.0 309 364
white 46 45.6 ± 13.9 45.2 16.2 78.1 213 259
american indian or alaska native - - - - - - - -
black or african american 7 63.5 ± 20.0 66.2 37.6 100.0 81 88
asian - - - - - - 4 4
native hawaiian or other pacific islander 1 15.7 - 15.7 15.7 15.7 - 1
other - - - - - - 4 4
multiple 1 47.2 - 47.2 47.2 47.2 7 8