Name
oanbp4
Label
Number of obstructive apnea (NREM, Back, 4% desaturation)
Description

Number of obstructive apnea during NREM sleep with supine body position

Units
events
Type
numeric
Visit Number vs Number of obstructive apnea (NREM, Back, 4% desaturation)
N Mean StdDev Median Min Max Unknown Total
Baseline 453 0.9 ± 2.3 0.0 0.0 24.0 11 464
Follow-up 407 0.9 ± 5.4 0.0 0.0 86.0 46 453
Treatment Arm vs Number of obstructive apnea (NREM, Back, 4% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.9 ± 2.3 0.0 0.0 24.0 - 453
Early adenotonsillectomy 226 0.7 ± 1.8 0.0 0.0 11.0 - 226
Watchful waiting 227 1.0 ± 2.8 0.0 0.0 24.0 - 227
Treatment Arm vs Number of obstructive apnea (NREM, Back, 4% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.9 ± 5.4 0.0 0.0 86.0 46 453
Early adenotonsillectomy 199 0.2 ± 0.7 0.0 0.0 6.0 27 226
Watchful waiting 208 1.6 ± 7.4 0.0 0.0 86.0 19 227
Age vs Number of obstructive apnea (NREM, Back, 4% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.9 ± 2.3 0.0 0.0 24.0 - 453
5-7 yrs old 329 0.8 ± 2.3 0.0 0.0 24.0 - 329
8-10 yrs old 124 1.0 ± 2.4 0.0 0.0 12.0 - 124
Age vs Number of obstructive apnea (NREM, Back, 4% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.9 ± 5.4 0.0 0.0 86.0 2 399
5-7 yrs old 260 1.1 ± 6.6 0.0 0.0 86.0 2 262
8-10 yrs old 137 0.5 ± 1.6 0.0 0.0 14.0 - 137
Gender vs Number of obstructive apnea (NREM, Back, 4% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.9 ± 2.3 0.0 0.0 24.0 - 453
Female 234 0.9 ± 2.5 0.0 0.0 24.0 - 234
Male 219 0.8 ± 2.1 0.0 0.0 19.0 - 219
Gender vs Number of obstructive apnea (NREM, Back, 4% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.9 ± 5.4 0.0 0.0 86.0 46 453
Female 209 1.1 ± 7.1 0.0 0.0 86.0 25 234
Male 198 0.7 ± 2.5 0.0 0.0 20.0 21 219
Race vs Number of obstructive apnea (NREM, Back, 4% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.9 ± 2.3 0.0 0.0 24.0 - 453
White 156 0.8 ± 2.3 0.0 0.0 19.0 - 156
Black 249 1.0 ± 2.0 0.0 0.0 12.0 - 249
Other 48 0.9 ± 3.5 0.0 0.0 24.0 - 48
Race vs Number of obstructive apnea (NREM, Back, 4% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.9 ± 5.4 0.0 0.0 86.0 46 453
White 147 0.9 ± 5.0 0.0 0.0 53.0 9 156
Black 217 1.0 ± 6.1 0.0 0.0 86.0 32 249
Other 43 0.3 ± 1.0 0.0 0.0 5.0 5 48