Histogram

A4b. Visit of Sleep Study vs Hypopnea Index (Supine): (Hypopneas with > 30% 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 2.6 ± 4.5 1.2 0.0 69.2 - 3,012
Visit 3 2,332 4.2 ± 6.4 2.2 0.0 75.0 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Hypopnea Index (Supine): (Hypopneas with > 30% 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 2.6 ± 4.5 1.2 0.0 69.2 - 3,012
Non-Hispanic White 1,842 2.9 ± 4.5 1.5 0.0 53.9 - 1,842
Non-Hispanic Black 359 2.3 ± 4.4 0.5 0.0 34.7 - 359
Hispanic 557 2.2 ± 4.2 0.8 0.0 55.6 - 557
Asian 112 2.0 ± 3.5 0.9 0.0 25.9 - 112
Other 142 2.4 ± 6.3 0.9 0.0 69.2 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Hypopnea Index (Supine): (Hypopneas with > 30% 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 4.2 ± 6.4 2.2 0.0 75.0 - 2,332
Non-Hispanic White 1,494 4.5 ± 6.7 2.3 0.0 64.9 - 1,494
Non-Hispanic Black 247 3.4 ± 5.5 1.6 0.0 53.1 - 247
Hispanic 397 3.6 ± 6.1 1.8 0.0 75.0 - 397
Asian 84 4.0 ± 4.7 2.5 0.0 22.9 - 84
Other 110 4.3 ± 5.0 2.6 0.0 26.7 - 110