Name
avoanbp2
Label
Average obstructive apnea length (NREM, Back, 2% desaturation)
Description

Average obstructive apnea duration during NREM sleep with supine body position

Units
seconds
Type
numeric
Visit Number vs Average obstructive apnea length (NREM, Back, 2% desaturation)
N Mean StdDev Median Min Max Unknown Total
Baseline 453 6.1 ± 6.4 7.0 0.0 24.0 - 453
Follow-up 407 4.1 ± 5.9 0.0 0.0 29.0 46 453
Treatment Arm vs Average obstructive apnea length (NREM, Back, 2% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 6.1 ± 6.4 7.0 0.0 24.0 - 453
Early adenotonsillectomy 226 5.9 ± 6.5 0.0 0.0 24.0 - 226
Watchful waiting 227 6.2 ± 6.2 8.0 0.0 21.0 - 227
Treatment Arm vs Average obstructive apnea length (NREM, Back, 2% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 4.1 ± 5.9 0.0 0.0 29.0 46 453
Early adenotonsillectomy 199 2.7 ± 4.8 0.0 0.0 22.0 27 226
Watchful waiting 208 5.5 ± 6.5 0.0 0.0 29.0 19 227
Age vs Average obstructive apnea length (NREM, Back, 2% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 6.1 ± 6.4 7.0 0.0 24.0 - 453
5-7 yrs old 329 6.3 ± 6.3 7.0 0.0 24.0 - 329
8-10 yrs old 124 5.5 ± 6.5 0.0 0.0 20.0 - 124
Age vs Average obstructive apnea length (NREM, Back, 2% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 4.1 ± 5.9 0.0 0.0 29.0 2 399
5-7 yrs old 260 3.9 ± 5.9 0.0 0.0 29.0 2 262
8-10 yrs old 137 4.4 ± 5.9 0.0 0.0 21.0 - 137
Gender vs Average obstructive apnea length (NREM, Back, 2% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 6.1 ± 6.4 7.0 0.0 24.0 - 453
Female 234 6.0 ± 6.2 7.0 0.0 24.0 - 234
Male 219 6.2 ± 6.5 7.0 0.0 21.0 - 219
Gender vs Average obstructive apnea length (NREM, Back, 2% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 4.1 ± 5.9 0.0 0.0 29.0 46 453
Female 209 4.0 ± 5.8 0.0 0.0 29.0 25 234
Male 198 4.2 ± 6.0 0.0 0.0 22.0 21 219
Race vs Average obstructive apnea length (NREM, Back, 2% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 6.1 ± 6.4 7.0 0.0 24.0 - 453
White 156 5.6 ± 6.2 0.0 0.0 18.0 - 156
Black 249 6.5 ± 6.5 8.0 0.0 24.0 - 249
Other 48 5.5 ± 6.1 0.0 0.0 18.0 - 48
Race vs Average obstructive apnea length (NREM, Back, 2% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 4.1 ± 5.9 0.0 0.0 29.0 46 453
White 147 4.3 ± 6.0 0.0 0.0 29.0 9 156
Black 217 3.9 ± 5.8 0.0 0.0 21.0 32 249
Other 43 4.3 ± 6.1 0.0 0.0 22.0 5 48