nsrr_ttlmefsp_f1 ahi_a0h3a
Name
ahi_a0h3
Label
Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events.

Calculation
ahi_a0h3 = 60 * (hrembp3 + hrop3 + hnrbp3 + hnrop3 + carbp + carop + canbp + canop + oarbp + oarop + oanbp + oanop) / slpprdp
Units
number of events per hour
Type
numeric
Tags
ahi_ap0uhp3x3u_f1t1
Visit vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Peds - - - - - - - -
Teenz - - - - - - - -
TREC 515 1.5 ± 4.8 0.6 0.0 99.1 2 517
Age at time of visit vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 1.5 ± 4.8 0.6 0.0 99.1 2 517
16.14 to 17.41 years 130 1.1 ± 1.8 0.6 0.0 13.3 - 130
17.41 to 17.69 years 128 1.0 ± 1.6 0.5 0.0 15.3 1 129
17.69 to 17.91 years 129 2.3 ± 9.0 0.7 0.0 99.1 - 129
17.91 to 19.56 years 128 1.4 ± 2.3 0.8 0.0 15.9 1 129
Male gender vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 1.5 ± 4.8 0.6 0.0 99.1 2 517
No 255 0.7 ± 1.3 0.4 0.0 15.9 1 256
Yes 260 2.2 ± 6.6 1.0 0.0 99.1 1 261
Race vs Apnea-Hypopnea Index: (All apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 1.5 ± 4.8 0.6 0.0 99.1 2 517
White 307 1.6 ± 6.0 0.6 0.0 99.1 2 309
Black 185 1.2 ± 2.2 0.6 0.0 19.5 - 185
Other 23 1.4 ± 2.3 0.5 0.0 10.5 - 23