Name
hi_po_hp5x2n_f1t3
Label
Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Description

Calculated - Summary metric of sleep disordered breathing events.

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Units
events per hour
Type
numeric
A4b. Visit of Sleep Study vs Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
N Mean StdDev Median Min Max Unknown Total
Visit 1 3,012 0.5 ± 1.4 0.1 0.0 26.1 - 3,012
Visit 3 2,332 0.9 ± 2.4 0.3 0.0 43.7 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,012 0.5 ± 1.4 0.1 0.0 26.1 - 3,012
Non-Hispanic White 1,842 0.5 ± 1.2 0.2 0.0 18.3 - 1,842
Non-Hispanic Black 359 0.7 ± 2.2 0.2 0.0 26.1 - 359
Hispanic 557 0.5 ± 1.3 0.0 0.0 17.8 - 557
Asian 112 0.3 ± 0.7 0.0 0.0 5.4 - 112
Other 142 0.5 ± 1.1 0.0 0.0 7.4 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Hypopnea Index (Non-Supine): (Hypopneas with > 50% flow reduction and >= 2% oxygen desaturation) / hour of estimated sleep from type III home sleep apnea test
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 2,332 0.9 ± 2.4 0.3 0.0 43.7 - 2,332
Non-Hispanic White 1,494 0.9 ± 2.7 0.3 0.0 43.7 - 1,494
Non-Hispanic Black 247 1.1 ± 2.2 0.3 0.0 15.7 - 247
Hispanic 397 0.8 ± 1.6 0.2 0.0 15.7 - 397
Asian 84 0.9 ± 2.0 0.2 0.0 12.4 - 84
Other 110 0.8 ± 1.2 0.3 0.0 5.6 - 110