Histogram

A4b. Visit of Sleep Study vs Hypopnea Index (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 1.1 ± 2.5 0.3 0.0 44.7 - 3,012
Visit 3 2,332 1.6 ± 4.0 0.3 0.0 63.3 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Hypopnea Index (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 1.1 ± 2.5 0.3 0.0 44.7 - 3,012
Non-Hispanic White 1,842 1.1 ± 2.6 0.4 0.0 44.7 - 1,842
Non-Hispanic Black 359 1.1 ± 2.6 0.0 0.0 22.5 - 359
Hispanic 557 0.9 ± 2.1 0.2 0.0 19.5 - 557
Asian 112 1.1 ± 2.2 0.4 0.0 15.3 - 112
Other 142 0.9 ± 2.1 0.2 0.0 15.7 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Hypopnea Index (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 1.6 ± 4.0 0.3 0.0 63.3 - 2,332
Non-Hispanic White 1,494 1.7 ± 4.3 0.3 0.0 63.3 - 1,494
Non-Hispanic Black 247 1.7 ± 4.3 0.3 0.0 45.7 - 247
Hispanic 397 1.3 ± 3.0 0.3 0.0 30.0 - 397
Asian 84 1.7 ± 2.0 0.9 0.0 9.8 - 84
Other 110 1.7 ± 3.0 0.3 0.0 14.6 - 110