Gender

Visit vs Total duration of sleep in stage 3/4 sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Peds - - - - - - - -
Teenz - - - - - - - -
TREC 513 107.5 ± 37.8 103.0 13.0 266.0 4 517
Age at time of visit vs Total duration of sleep in stage 3/4 sleep from type I polysomnography
TREC
N Mean StdDev Median Min Max Unknown Total
Total 513 107.5 ± 37.8 103.0 13.0 266.0 4 517
16.14 to 17.41 years 129 118.8 ± 40.4 114.0 41.0 266.0 1 130
17.41 to 17.69 years 128 106.7 ± 36.9 104.0 13.0 257.0 1 129
17.69 to 17.91 years 128 102.5 ± 34.3 101.0 20.0 209.0 1 129
17.91 to 19.56 years 128 101.9 ± 37.3 97.5 31.0 245.0 1 129
Male gender vs Total duration of sleep in stage 3/4 sleep from type I polysomnography
TREC
N Mean StdDev Median Min Max Unknown Total
Total 513 107.5 ± 37.8 103.0 13.0 266.0 4 517
No 254 113.8 ± 38.4 108.5 31.0 266.0 2 256
Yes 259 101.4 ± 36.3 97.0 13.0 237.0 2 261
Race vs Total duration of sleep in stage 3/4 sleep from type I polysomnography
TREC
N Mean StdDev Median Min Max Unknown Total
Total 513 107.5 ± 37.8 103.0 13.0 266.0 4 517
White 307 111.7 ± 37.8 109.0 13.0 245.0 2 309
Black 183 100.6 ± 37.3 98.0 31.0 266.0 2 185
Other 23 106.2 ± 35.5 106.0 51.0 186.0 - 23