Name

ahi_a0h4a

Label

Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep

Calculation
ahi_a0h4a = 60 * (hremba4 + hroa4 + hnrba4 + hnroa4 + carbp + carop + canbp + canop + oarbp + oarop + oanbp + oanop) / slpprdp
Units
events per hour
Type
numeric
Visit vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Peds - - - - - - - -
Teenz - - - - - - - -
TREC 515 1.4 ± 4.6 0.6 0.0 93.8 2 517
Age at time of visit vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 1.4 ± 4.6 0.6 0.0 93.8 2 517
16.14 to 17.41 years 130 1.1 ± 1.6 0.6 0.0 12.0 - 130
17.41 to 17.69 years 128 1.0 ± 1.8 0.5 0.0 17.7 1 129
17.69 to 17.91 years 129 2.2 ± 8.6 0.6 0.0 93.8 - 129
17.91 to 19.56 years 128 1.4 ± 2.0 0.6 0.0 12.9 1 129
Male gender vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 1.4 ± 4.6 0.6 0.0 93.8 2 517
No 255 0.7 ± 1.1 0.4 0.0 12.7 1 256
Yes 260 2.1 ± 6.3 0.9 0.0 93.8 1 261
Race vs Apnea-Hypopnea Index (AHI) >= 4% - number of [all apneas] and [hypopneas with >= 4% oxygen desaturation or arousal] per hour of sleep
TREC
N Mean StdDev Median Min Max Unknown Total
Total 515 1.4 ± 4.6 0.6 0.0 93.8 2 517
White 307 1.6 ± 5.7 0.6 0.0 93.8 2 309
Black 185 1.1 ± 2.1 0.6 0.0 22.4 - 185
Other 23 1.3 ± 1.9 0.7 0.0 8.7 - 23