Name
cardnop4
Label
Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events.

Units
events per hour
Type
numeric
Visit Number vs Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 0.3 ± 0.7 0.0 0.0 9.9 11 464
Follow-up 407 0.3 ± 0.6 0.0 0.0 4.6 46 453
Treatment Arm vs Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.3 ± 0.7 0.0 0.0 9.9 - 453
Early adenotonsillectomy (EAT) 226 0.3 ± 0.9 0.0 0.0 9.9 - 226
Watchful waiting with supportive care (WWSC) 227 0.3 ± 0.6 0.0 0.0 5.3 - 227
Treatment Arm vs Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.3 ± 0.6 0.0 0.0 4.6 46 453
Early adenotonsillectomy (EAT) 199 0.3 ± 0.6 0.0 0.0 4.6 27 226
Watchful waiting with supportive care (WWSC) 208 0.2 ± 0.5 0.0 0.0 4.0 19 227
Child's age vs Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.3 ± 0.7 0.0 0.0 9.9 - 453
5 - 7 years old 329 0.3 ± 0.6 0.0 0.0 5.3 - 329
8 - 10 years old 124 0.4 ± 1.1 0.0 0.0 9.9 - 124
Child's age vs Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 0.2 ± 0.6 0.0 0.0 4.6 2 399
5 - 7 years old 260 0.3 ± 0.6 0.0 0.0 4.6 2 262
8 - 10 years old 137 0.2 ± 0.5 0.0 0.0 4.0 - 137
Child's gender vs Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.3 ± 0.7 0.0 0.0 9.9 - 453
Female 234 0.3 ± 0.6 0.0 0.0 5.3 - 234
Male 219 0.4 ± 0.8 0.0 0.0 9.9 - 219
Child's gender vs Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.3 ± 0.6 0.0 0.0 4.6 46 453
Female 209 0.2 ± 0.4 0.0 0.0 2.9 25 234
Male 198 0.3 ± 0.7 0.0 0.0 4.6 21 219
Child's race vs Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 0.3 ± 0.7 0.0 0.0 9.9 - 453
White 156 0.3 ± 0.7 0.0 0.0 5.3 - 156
Black 249 0.3 ± 0.8 0.0 0.0 9.9 - 249
Other 48 0.3 ± 0.4 0.0 0.0 1.4 - 48
Child's race vs Central Apnea Index (NREM, Non-Supine) : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in non-supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 0.3 ± 0.6 0.0 0.0 4.6 46 453
White 147 0.2 ± 0.5 0.0 0.0 2.9 9 156
Black 217 0.3 ± 0.6 0.0 0.0 4.6 32 249
Other 43 0.2 ± 0.5 0.0 0.0 3.4 5 48