Name
ahi4p_nrem5
Label
Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type II polysomnography
Units
events per hour
Type
numeric
MESA exam number vs Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type II polysomnography
N Mean StdDev Median Min Max Unknown Total
Exam 5 2,035 12.7 ± 16.9 5.5 0.0 105.1 202 2,237
Participant Age at MESA Sleep Visit vs Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,035 12.7 ± 16.9 5.5 0.0 105.1 202 2,237
54.0 to 62.0 years 518 10.8 ± 16.9 3.8 0.0 105.1 42 560
62.0 to 69.0 years 526 13.0 ± 17.7 5.4 0.0 96.7 33 559
69.0 to 77.0 years 507 12.8 ± 16.0 5.9 0.0 78.6 52 559
77.0 to 95.0 years 484 14.0 ± 16.9 8.0 0.0 103.5 75 559
Gender of the participant vs Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,035 12.7 ± 16.9 5.5 0.0 105.1 202 2,237
Female 1,094 8.4 ± 13.1 3.2 0.0 96.7 104 1,198
Male 941 17.6 ± 19.3 10.7 0.0 105.1 98 1,039
Race/ethnicity of the participant vs Apnea-Hypopnea Index (NREM): (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep from type II polysomnography
Exam 5
N Mean StdDev Median Min Max Unknown Total
Total 2,035 12.7 ± 16.9 5.5 0.0 105.1 202 2,237
White, Caucasian 741 11.9 ± 15.9 5.3 0.0 96.7 89 830
Chinese American 247 13.8 ± 16.3 7.3 0.0 74.6 18 265
Black, African-American 564 12.1 ± 17.7 4.5 0.0 105.1 52 616
Hispanic 483 14.0 ± 17.7 6.9 0.0 103.5 43 526