Name
mncanbp4
Label
Minimum central apnea length (NREM, Back, 4% desaturation)
Description

Shortest central apnea during NREM sleep with supine body position

Units
seconds
Type
numeric
Visit Number vs Minimum central apnea length (NREM, Back, 4% desaturation)
N Mean StdDev Median Min Max Unknown Total
Baseline 453 3.5 ± 5.5 0.0 0.0 22.0 - 453
Follow-up 407 3.1 ± 5.1 0.0 0.0 22.0 46 453
Treatment Arm vs Minimum central apnea length (NREM, Back, 4% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.5 ± 5.5 0.0 0.0 22.0 - 453
Early adenotonsillectomy 226 2.8 ± 4.9 0.0 0.0 17.0 - 226
Watchful waiting 227 4.3 ± 6.0 0.0 0.0 22.0 - 227
Treatment Arm vs Minimum central apnea length (NREM, Back, 4% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.1 ± 5.1 0.0 0.0 22.0 46 453
Early adenotonsillectomy 199 3.3 ± 5.1 0.0 0.0 18.0 27 226
Watchful waiting 208 2.8 ± 5.2 0.0 0.0 22.0 19 227
Age vs Minimum central apnea length (NREM, Back, 4% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.5 ± 5.5 0.0 0.0 22.0 - 453
5-7 yrs old 329 3.5 ± 5.6 0.0 0.0 22.0 - 329
8-10 yrs old 124 3.7 ± 5.4 0.0 0.0 17.0 - 124
Age vs Minimum central apnea length (NREM, Back, 4% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 3.1 ± 5.2 0.0 0.0 22.0 2 399
5-7 yrs old 260 2.9 ± 5.1 0.0 0.0 22.0 2 262
8-10 yrs old 137 3.4 ± 5.3 0.0 0.0 18.0 - 137
Gender vs Minimum central apnea length (NREM, Back, 4% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.5 ± 5.5 0.0 0.0 22.0 - 453
Female 234 3.2 ± 5.2 0.0 0.0 22.0 - 234
Male 219 4.0 ± 5.8 0.0 0.0 21.0 - 219
Gender vs Minimum central apnea length (NREM, Back, 4% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.1 ± 5.1 0.0 0.0 22.0 46 453
Female 209 2.6 ± 4.8 0.0 0.0 18.0 25 234
Male 198 3.5 ± 5.4 0.0 0.0 22.0 21 219
Race vs Minimum central apnea length (NREM, Back, 4% desaturation)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.5 ± 5.5 0.0 0.0 22.0 - 453
White 156 4.4 ± 5.8 0.0 0.0 20.0 - 156
Black 249 3.4 ± 5.5 0.0 0.0 22.0 - 249
Other 48 1.8 ± 3.9 0.0 0.0 12.0 - 48
Race vs Minimum central apnea length (NREM, Back, 4% desaturation)
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.1 ± 5.1 0.0 0.0 22.0 46 453
White 147 3.3 ± 5.3 0.0 0.0 22.0 9 156
Black 217 2.9 ± 5.1 0.0 0.0 18.0 32 249
Other 43 2.9 ± 5.1 0.0 0.0 18.0 5 48