Name

oahi

Label

Obstructive Apnea-Hypopnea Index (OAHI) at >=4% oxygen desaturation

Description

Obstructive apnea (all desaturations) hypopnea (>=4% desaturation) index

Calculation
oahi = 60 * ( hrembp4 + hrop4 + hnrbp4 + hnrop4 + oarbp + oarop + oanbp + oanop ) / slpprdp
Units
events per hour
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Obstructive Apnea-Hypopnea Index (OAHI) at >=4% oxygen desaturation
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,106 9.6 ± 12.7 5.0 0.0 115.8 698 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 (OAHI) at >=4% oxygen desaturation
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,106 9.6 ± 12.7 5.0 0.0 115.8 698 5,804
35-44 years 294 6.3 ± 10.7 2.5 0.0 87.3 48 342
45-54 years 903 7.6 ± 12.7 3.0 0.0 114.9 114 1,017
55-64 years 1,589 9.6 ± 13.2 4.6 0.0 88.3 180 1,769
65-74 years 1,426 10.4 ± 12.5 6.4 0.0 115.8 191 1,617
75-84 years 809 11.3 ± 12.3 7.2 0.0 72.1 146 955
85 years or older 85 13.6 ± 13.6 9.2 0.0 74.9 19 104
Gender vs Obstructive Apnea-Hypopnea Index (OAHI) at >=4% oxygen desaturation
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,106 9.6 ± 12.7 5.0 0.0 115.8 698 5,804
Male 2,442 12.5 ± 14.3 7.6 0.0 115.8 323 2,765
Female 2,664 7.0 ± 10.5 3.3 0.0 114.9 375 3,039
Gender vs Obstructive Apnea-Hypopnea Index (OAHI) at >=4% oxygen desaturation
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 5.0 0.0 96.4 794 2,219
Race vs Obstructive Apnea-Hypopnea Index (OAHI) at >=4% oxygen desaturation
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,106 9.6 ± 12.7 5.0 0.0 115.8 698 5,804
White 4,327 9.7 ± 12.6 5.1 0.0 115.8 580 4,907
Black 437 10.4 ± 14.8 4.5 0.0 112.7 78 515
Other 342 8.1 ± 11.2 3.7 0.0 79.4 40 382
Race vs Obstructive Apnea-Hypopnea Index (OAHI) at >=4% oxygen desaturation
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