Name
rdinba2
Label
Hypopnea Index (NREM, Supine): (Hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography
Description

Calculated - Summary metric of sleep disordered breathing events

Units
events per hour
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Hypopnea Index (NREM, Supine): (Hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,804 16.6 ± 20.8 9.2 0.0 160.0 - 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,651 18.8 ± 21.2 11.8 0.0 140.0 1,429 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Hypopnea Index (NREM, Supine): (Hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 16.6 ± 20.8 9.2 0.0 160.0 - 5,804
35-44 years 342 10.8 ± 17.6 3.7 0.0 120.0 - 342
45-54 years 1,017 12.7 ± 19.2 3.9 0.0 130.0 - 1,017
55-64 years 1,769 17.2 ± 21.9 9.1 0.0 160.0 - 1,769
65-74 years 1,617 18.6 ± 22.0 11.9 0.0 137.1 - 1,617
75-84 years 955 18.2 ± 18.7 13.9 0.0 104.0 - 955
85 years or older 104 19.7 ± 19.6 16.8 0.0 120.0 - 104
Gender of the participant vs Hypopnea Index (NREM, Supine): (Hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 16.6 ± 20.8 9.2 0.0 160.0 - 5,804
Male 2,765 20.1 ± 22.6 13.3 0.0 160.0 - 2,765
Female 3,039 13.5 ± 18.6 6.7 0.0 137.1 - 3,039
Gender of the participant vs Hypopnea Index (NREM, Supine): (Hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 18.8 ± 21.2 11.8 0.0 140.0 1,429 4,080
Male 1,226 24.0 ± 23.0 18.8 0.0 140.0 635 1,861
Female 1,425 14.4 ± 18.3 7.9 0.0 129.8 794 2,219
Race of the participant vs Hypopnea Index (NREM, Supine): (Hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,804 16.6 ± 20.8 9.2 0.0 160.0 - 5,804
White 4,907 17.4 ± 21.3 10.2 0.0 160.0 - 4,907
Black 515 12.7 ± 18.0 5.9 0.0 128.9 - 515
Other 382 11.6 ± 17.5 4.1 0.0 120.0 - 382
Race of the participant vs Hypopnea Index (NREM, Supine): (Hypopneas with > 30% flow reduction and with >= 2% oxygen desaturation or with arousal) / hour of NREM sleep in supine position from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 18.8 ± 21.2 11.8 0.0 140.0 1,429 4,080
White 2,311 19.2 ± 21.3 12.3 0.0 140.0 1,276 3,587
Black 181 15.9 ± 20.1 8.2 0.0 120.0 75 256
Other 159 16.1 ± 19.0 10.0 0.0 120.0 78 237