Name
minstg2p
Label
Total duration of sleep in stage 2 sleep from type I polysomnography
Description

Total time scored as stage 2, rounded to nearest minute (use calculated variable - sleep wake studies screened out)

Units
minutes (min)
Type
numeric
Visit Number vs Total duration of sleep in stage 2 sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 189.5 ± 43.1 191.0 60.0 314.0 - 453
Follow-up 407 201.9 ± 41.5 205.0 84.0 314.0 46 453
Treatment Arm vs Total duration of sleep in stage 2 sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 189.5 ± 43.1 191.0 60.0 314.0 - 453
Early adenotonsillectomy (EAT) 226 190.1 ± 43.4 190.0 60.0 314.0 - 226
Watchful waiting with supportive care (WWSC) 227 188.9 ± 42.9 191.0 83.0 299.0 - 227
Treatment Arm vs Total duration of sleep in stage 2 sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 201.9 ± 41.5 205.0 84.0 314.0 46 453
Early adenotonsillectomy (EAT) 199 206.8 ± 42.5 208.0 106.0 314.0 27 226
Watchful waiting with supportive care (WWSC) 208 197.1 ± 40.0 203.5 84.0 291.0 19 227
Child's age vs Total duration of sleep in stage 2 sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 189.5 ± 43.1 191.0 60.0 314.0 - 453
5 - 7 years old 329 185.9 ± 43.3 186.0 60.0 314.0 - 329
8 - 10 years old 124 199.0 ± 41.4 203.5 75.0 297.0 - 124
Child's age vs Total duration of sleep in stage 2 sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 202.3 ± 41.4 205.0 84.0 314.0 2 399
5 - 7 years old 260 196.7 ± 41.6 199.0 84.0 291.0 2 262
8 - 10 years old 137 213.0 ± 39.1 213.0 113.0 314.0 - 137
Child's gender vs Total duration of sleep in stage 2 sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 189.5 ± 43.1 191.0 60.0 314.0 - 453
Female 234 196.8 ± 43.9 197.0 60.0 314.0 - 234
Male 219 181.6 ± 41.0 183.0 75.0 299.0 - 219
Child's gender vs Total duration of sleep in stage 2 sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 201.9 ± 41.5 205.0 84.0 314.0 46 453
Female 209 208.5 ± 42.5 213.0 84.0 314.0 25 234
Male 198 194.8 ± 39.3 197.0 106.0 312.0 21 219
Child's race vs Total duration of sleep in stage 2 sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 189.5 ± 43.1 191.0 60.0 314.0 - 453
White 156 177.1 ± 39.4 181.0 70.0 275.0 - 156
Black 249 200.7 ± 41.9 200.0 81.0 314.0 - 249
Other 48 170.9 ± 44.8 178.5 60.0 245.0 - 48
Child's race vs Total duration of sleep in stage 2 sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 201.9 ± 41.5 205.0 84.0 314.0 46 453
White 147 197.7 ± 41.3 203.0 84.0 286.0 9 156
Black 217 207.3 ± 41.4 211.0 108.0 314.0 32 249
Other 43 188.6 ± 38.4 199.0 108.0 273.0 5 48