Name

tmstg1p

Label

Percentage of sleep time in stage 1 sleep

Description

[(Number of minutes scored as stage 1) / (Total Sleep Time (TST))] * 100 (use calculated variable - sleep wake studies screened out)

Units
percent (%)
Type
numeric
Visit Number vs Percentage of sleep time in stage 1 sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 453 8.6 ± 4.1 7.9 1.4 28.2 11 464
Follow-up 407 7.6 ± 4.1 6.7 1.2 30.7 46 453
Treatment Arm vs Percentage of sleep time in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 8.6 ± 4.1 7.9 1.4 28.2 - 453
Early adenotonsillectomy (EAT) 226 8.5 ± 4.1 7.8 1.4 28.2 - 226
Watchful waiting with supportive care (WWSC) 227 8.7 ± 4.1 8.0 1.8 25.7 - 227
Treatment Arm vs Percentage of sleep time in stage 1 sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 7.6 ± 4.1 6.7 1.2 30.7 46 453
Early adenotonsillectomy (EAT) 199 6.9 ± 3.2 6.2 1.2 16.4 27 226
Watchful waiting with supportive care (WWSC) 208 8.4 ± 4.7 7.1 1.2 30.7 19 227
Age vs Percentage of sleep time in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 8.6 ± 4.1 7.9 1.4 28.2 - 453
5 - 7 years old 329 8.7 ± 4.1 8.1 1.4 28.2 - 329
8 - 10 years old 124 8.4 ± 4.1 7.6 1.9 25.7 - 124
Age vs Percentage of sleep time in stage 1 sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 7.6 ± 4.1 6.7 1.2 30.7 2 399
5 - 7 years old 260 7.7 ± 4.0 6.7 1.2 30.3 2 262
8 - 10 years old 137 7.4 ± 4.4 6.6 1.2 30.7 - 137
Gender vs Percentage of sleep time in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 8.6 ± 4.1 7.9 1.4 28.2 - 453
Female 234 8.4 ± 4.0 7.7 1.4 28.2 - 234
Male 219 8.9 ± 4.1 8.3 1.8 25.7 - 219
Gender vs Percentage of sleep time in stage 1 sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 7.6 ± 4.1 6.7 1.2 30.7 46 453
Female 209 7.4 ± 4.0 6.4 1.2 30.3 25 234
Male 198 7.9 ± 4.2 7.3 1.5 30.7 21 219
Race vs Percentage of sleep time in stage 1 sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 8.6 ± 4.1 7.9 1.4 28.2 - 453
White 156 8.6 ± 4.1 7.9 1.4 28.2 - 156
Black 249 8.4 ± 4.0 7.7 1.9 25.7 - 249
Other 48 9.7 ± 4.4 9.2 3.4 22.2 - 48
Race vs Percentage of sleep time in stage 1 sleep
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 7.6 ± 4.1 6.7 1.2 30.7 46 453
White 147 7.7 ± 4.4 6.6 1.4 30.3 9 156
Black 217 7.4 ± 3.8 6.7 1.2 30.7 32 249
Other 43 8.7 ± 4.3 7.3 4.0 23.5 5 48