Name
cardnbp2
Label
Central apnea per hour (NREM, Back, 2% desaturation)
Description

Number of central apnea per hour of NREM sleep with supine body position

Units
events per hour
Type
numeric
Visit Number vs Central apnea per hour (NREM, Back, 2% desaturation)
N Mean StdDev Median Min Max Unknown Total
Baseline 453 0.9 ± 2.6 0.0 0.0 34.1 11 464
Follow-up 407 0.7 ± 1.4 0.0 0.0 10.9 46 453
Treatment Arm vs Central apnea per hour (NREM, Back, 2% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.9 ± 2.6 0.0 0.0 34.1 - 453
Early adenotonsillectomy 226 1.0 ± 3.4 0.0 0.0 34.1 - 226
Watchful waiting 227 0.8 ± 1.3 0.3 0.0 9.4 - 227
Treatment Arm vs Central apnea per hour (NREM, Back, 2% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.7 ± 1.4 0.0 0.0 10.9 46 453
Early adenotonsillectomy 199 0.7 ± 1.3 0.2 0.0 10.9 27 226
Watchful waiting 208 0.7 ± 1.6 0.0 0.0 10.6 19 227
Age vs Central apnea per hour (NREM, Back, 2% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.9 ± 2.6 0.0 0.0 34.1 - 453
5-7 yrs old 329 0.7 ± 1.3 0.0 0.0 13.3 - 329
8-10 yrs old 124 1.4 ± 4.4 0.09 0.0 34.1 - 124
Age vs Central apnea per hour (NREM, Back, 2% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.7 ± 1.5 0.0 0.0 10.9 2 399
5-7 yrs old 260 0.8 ± 1.5 0.0 0.0 10.9 2 262
8-10 yrs old 137 0.7 ± 1.3 0.2 0.0 10.6 - 137
Gender vs Central apnea per hour (NREM, Back, 2% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.9 ± 2.6 0.0 0.0 34.1 - 453
Female 234 0.8 ± 2.6 0.0 0.0 32.4 - 234
Male 219 0.9 ± 2.6 0.3 0.0 34.1 - 219
Gender vs Central apnea per hour (NREM, Back, 2% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.7 ± 1.4 0.0 0.0 10.9 46 453
Female 209 0.6 ± 1.3 0.0 0.0 10.2 25 234
Male 198 0.9 ± 1.6 0.2 0.0 10.9 21 219
Race vs Central apnea per hour (NREM, Back, 2% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.9 ± 2.6 0.0 0.0 34.1 - 453
White 156 1.1 ± 2.9 0.4 0.0 32.4 - 156
Black 249 0.8 ± 2.5 0.0 0.0 34.1 - 249
Other 48 0.7 ± 2.0 0.0 0.0 13.3 - 48
Race vs Central apnea per hour (NREM, Back, 2% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.7 ± 1.4 0.0 0.0 10.9 46 453
White 147 0.8 ± 1.6 0.3 0.0 10.6 9 156
Black 217 0.6 ± 1.4 0.0 0.0 10.9 32 249
Other 43 0.8 ± 1.4 0.0 0.0 7.1 5 48