Name

ahi_o0h4

Label

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

Calculation
ahi_o0h4 = 60 * (hrembp3 + hrop3 + hnrbp3 + hnrop3 + oarbp + oarop + oanbp + oanop) / slpprdp
Units
events per hour
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,804 9.7 ± 13.0 5.0 0.0 154.3 - 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,651 10.9 ± 13.1 6.5 0.0 115.6 1,429 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 9.7 ± 13.0 5.0 0.0 154.3 - 5,804
35-44 years 342 6.4 ± 11.8 2.4 0.0 91.8 - 342
45-54 years 1,017 7.5 ± 12.7 3.0 0.0 114.9 - 1,017
55-64 years 1,769 9.5 ± 13.0 4.6 0.0 93.7 - 1,769
65-74 years 1,617 10.7 ± 13.2 6.4 0.0 154.3 - 1,617
75-84 years 955 11.1 ± 12.4 7.1 0.0 92.4 - 955
85 years or older 104 14.3 ± 14.5 9.3 0.0 74.9 - 104
Gender vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 9.7 ± 13.0 5.0 0.0 154.3 - 5,804
Male 2,765 12.5 ± 14.4 7.8 0.0 115.8 - 2,765
Female 3,039 7.1 ± 10.9 3.3 0.0 154.3 - 3,039
Gender vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 10.9 ± 13.1 6.5 0.0 115.6 1,429 4,080
Male 1,226 13.6 ± 14.5 8.7 0.0 115.6 635 1,861
Female 1,425 8.6 ± 11.2 4.9 0.0 96.4 794 2,219
Race vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 9.7 ± 13.0 5.0 0.0 154.3 - 5,804
White 4,907 9.7 ± 12.9 5.1 0.0 154.3 - 4,907
Black 515 10.3 ± 14.8 4.5 0.0 112.7 - 515
Other 382 8.2 ± 11.6 3.6 0.0 79.4 - 382
Race vs Obstructive Apnea-Hypopnea Index (AHI) >= 4% - number of [obstructive apneas] and [hypopneas with >= 4% oxygen desaturation] per hour of sleep
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 10.9 ± 13.1 6.5 0.0 115.6 1,429 4,080
White 2,311 11.0 ± 13.1 6.6 0.0 115.6 1,276 3,587
Black 181 11.1 ± 12.9 6.1 0.0 70.0 75 256
Other 159 9.4 ± 12.7 5.7 0.0 89.8 78 237