Histogram

Sleep Heart Health Study (SHHS) Visit Number vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Visit 1 4,406 0.3 ± 1.8 0.0 0.0 41.4 1,398 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,651 0.6 ± 2.6 0.0 0.0 41.2 1,429 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 4,406 0.3 ± 1.8 0.0 0.0 41.4 1,398 5,804
35-44 years 286 0.2 ± 1.7 0.0 0.0 22.3 56 342
45-54 years 803 0.2 ± 1.0 0.0 0.0 18.5 214 1,017
55-64 years 1,300 0.3 ± 1.3 0.0 0.0 30.9 469 1,769
65-74 years 1,204 0.4 ± 1.8 0.0 0.0 30.7 413 1,617
75-84 years 737 0.7 ± 3.0 0.0 0.0 41.4 218 955
85 years or older 76 0.3 ± 1.3 0.0 0.0 10.8 28 104
Gender of the participant vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 4,406 0.3 ± 1.8 0.0 0.0 41.4 1,398 5,804
Male 2,137 0.6 ± 2.5 0.0 0.0 41.4 628 2,765
Female 2,269 0.1 ± 0.7 0.0 0.0 25.3 770 3,039
Gender of the participant vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 0.6 ± 2.6 0.0 0.0 41.2 1,429 4,080
Male 1,226 0.9 ± 3.4 0.0 0.0 41.2 635 1,861
Female 1,425 0.2 ± 1.6 0.0 0.0 35.5 794 2,219
Race of the participant vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 4,406 0.3 ± 1.8 0.0 0.0 41.4 1,398 5,804
White 3,700 0.4 ± 1.9 0.0 0.0 41.4 1,207 4,907
Black 397 0.2 ± 1.0 0.0 0.0 12.1 118 515
Other 309 0.2 ± 1.4 0.0 0.0 17.4 73 382
Race of the participant vs Central Apnea Index: (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type II polysomnography
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,651 0.6 ± 2.6 0.0 0.0 41.2 1,429 4,080
White 2,311 0.6 ± 2.7 0.0 0.0 41.2 1,276 3,587
Black 181 0.5 ± 3.1 0.0 0.0 35.5 75 256
Other 159 0.3 ± 1.2 0.0 0.0 11.9 78 237