rdirem2p rdirem5p
Name
rdirem4p
Label
Overall RDI (REM) at 4% oxygen desaturation
Description

REM RDI at 4% oxygen desaturation [(Total number of apneas and hypopneas in REM sleep associated with >= 4% oxygen desaturation) / (hours of REM sleep)]

Calculation
rdirem4p = 60 * ( hrembp4 + hrop4 + carbp4 + carop4 + oarbp4 + oarop4 ) / minremp
Units
events per hour
Type
numeric
Tags
ahi rdi rdirem4p
SHHS Visit Number vs Overall RDI (REM) at 4% oxygen desaturation
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,615 14.1 ± 16.7 7.5 0.0 104.0 189 5,804
Visit 2 2,609 17.6 ± 17.6 11.9 0.0 180.0 1,471 4,080
CVD Outcomes - - - - - - 5,042 5,042
Age at SHHS1 vs Overall RDI (REM) at 4% oxygen desaturation
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,615 14.1 ± 16.7 7.5 0.0 104.0 189 5,804
39.0 to 55.0 years 1,412 11.5 ± 16.3 4.2 0.0 98.6 39 1,451
55.0 to 63.0 years 1,419 14.0 ± 16.9 7.1 0.0 103.2 32 1,451
63.0 to 72.0 years 1,413 15.9 ± 17.3 9.6 0.0 104.0 38 1,451
72.0 to 100.0 years 1,371 15.0 ± 15.7 9.2 0.0 84.1 80 1,451
Gender vs Overall RDI (REM) at 4% oxygen desaturation
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,615 14.1 ± 16.7 7.5 0.0 104.0 189 5,804
Female 2,936 12.4 ± 16.1 5.8 0.0 103.2 103 3,039
Male 2,679 16.0 ± 17.1 10.0 0.0 104.0 86 2,765
Gender vs Overall RDI (REM) at 4% oxygen desaturation
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,609 17.6 ± 17.6 11.9 0.0 180.0 1,471 4,080
Female 1,411 16.4 ± 16.9 10.7 0.0 89.2 808 2,219
Male 1,198 19.1 ± 18.3 13.6 0.0 180.0 663 1,861
Race vs Overall RDI (REM) at 4% oxygen desaturation
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,615 14.1 ± 16.7 7.5 0.0 104.0 189 5,804
white 4,767 14.0 ± 16.4 7.5 0.0 103.2 140 4,907
black 468 16.0 ± 19.2 8.0 0.0 104.0 47 515
native amer/alaskan 11 13.2 ± 10.3 13.5 0.0 29.8 - 11
asian/pacific islander 88 11.5 ± 15.1 3.0 0.0 74.8 - 88
hispanic/mex. amer 278 14.0 ± 16.3 8.1 0.0 73.8 2 280
other 3 14.6 ± 24.2 1.2 0.0 42.5 - 3
Race vs Overall RDI (REM) at 4% oxygen desaturation
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,609 17.6 ± 17.6 11.9 0.0 180.0 1,471 4,080
white 2,279 17.5 ± 17.5 11.9 0.0 180.0 1,308 3,587
black 171 19.5 ± 19.1 12.2 0.0 77.7 85 256
native amer/alaskan 3 28.8 ± 27.3 30.9 0.6 55.0 5 8
asian/pacific islander 34 14.3 ± 15.4 8.9 0.0 60.0 14 48
hispanic/mex. amer 121 18.5 ± 18.1 12.9 0.0 88.0 59 180
other 1 0.0 - 0.0 0.0 0.0 - 1