Name
oai_po_oa5n_f1t3
Label
Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 5% 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 Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 5% 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 0.01 ± 0.3 0.0 0.0 13.5 - 3,012
Visit 3 2,332 0.06 ± 1.7 0.0 0.0 77.9 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 5% 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 0.01 ± 0.3 0.0 0.0 13.5 - 3,012
Non-Hispanic White 1,842 0.004 ± 0.04 0.0 0.0 0.8 - 1,842
Non-Hispanic Black 359 0.08 ± 0.9 0.0 0.0 13.5 - 359
Hispanic 557 0.01 ± 0.2 0.0 0.0 2.9 - 557
Asian 112 0.002 ± 0.02 0.0 0.0 0.2 - 112
Other 142 0.008 ± 0.06 0.0 0.0 0.6 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Obstructive Apnea Index (Non-Supine): (Obstructive apneas with >= 5% 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 0.06 ± 1.7 0.0 0.0 77.9 - 2,332
Non-Hispanic White 1,494 0.07 ± 2.0 0.0 0.0 77.9 - 1,494
Non-Hispanic Black 247 0.1 ± 1.2 0.0 0.0 17.7 - 247
Hispanic 397 0.01 ± 0.1 0.0 0.0 1.5 - 397
Asian 84 0.02 ± 0.07 0.0 0.0 0.4 - 84
Other 110 0.009 ± 0.05 0.0 0.0 0.3 - 110