ahi_o0h4 cai0p
Name
ahi_o0h4a
Label
Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events.

Calculation
ahi_o0h4a = 60 * (hremba4 + hroa4 + hnrba4 + hnroa4 + oarbp + oarop + oanbp + oanop)) / slpprdp
Units
events per hour
Type
numeric
Tags
oahi_oa0uhp5x4r_f1t1
Visit Number vs Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 5.2 ± 4.7 3.4 0.9 23.7 - 453
Follow-up 407 2.9 ± 6.3 0.9 0.0 59.9 46 453
Treatment Arm vs Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.2 ± 4.7 3.4 0.9 23.7 - 453
Early adenotonsillectomy (EAT) 226 5.3 ± 4.6 3.7 0.9 22.4 - 226
Watchful waiting with supportive care (WWSC) 227 5.1 ± 4.7 3.3 0.9 23.7 - 227
Treatment Arm vs Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.9 ± 6.3 0.9 0.0 59.9 46 453
Early adenotonsillectomy (EAT) 199 1.2 ± 2.5 0.5 0.0 25.9 27 226
Watchful waiting with supportive care (WWSC) 208 4.5 ± 8.2 1.6 0.0 59.9 19 227
Child's age vs Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.2 ± 4.7 3.4 0.9 23.7 - 453
5 - 7 years old 329 5.2 ± 4.6 3.4 0.9 23.7 - 329
8 - 10 years old 124 5.4 ± 4.9 3.6 1.0 22.6 - 124
Child's age vs Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 2.9 ± 6.4 0.9 0.0 59.9 2 399
5 - 7 years old 260 3.1 ± 7.2 0.8 0.0 59.9 2 262
8 - 10 years old 137 2.7 ± 4.5 1.1 0.0 26.0 - 137
Child's gender vs Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.2 ± 4.7 3.4 0.9 23.7 - 453
Female 234 5.3 ± 4.7 3.7 0.9 23.7 - 234
Male 219 5.1 ± 4.6 3.4 0.9 22.4 - 219
Child's gender vs Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.9 ± 6.3 0.9 0.0 59.9 46 453
Female 209 3.2 ± 7.4 0.9 0.0 59.9 25 234
Male 198 2.6 ± 4.9 1.0 0.0 42.7 21 219
Child's race vs Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.2 ± 4.7 3.4 0.9 23.7 - 453
White 156 4.2 ± 3.9 2.8 0.9 21.7 - 156
Black 249 5.8 ± 4.8 4.2 1.0 23.7 - 249
Other 48 5.7 ± 5.4 3.4 1.1 21.8 - 48
Child's race vs Obstructive Apnea-Hypopnea Index : (Obstructive apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.9 ± 6.3 0.9 0.0 59.9 46 453
White 147 2.3 ± 6.2 0.6 0.0 49.4 9 156
Black 217 3.5 ± 6.8 1.1 0.0 59.9 32 249
Other 43 2.1 ± 3.9 0.6 0.0 23.5 5 48