Name
rdi4pa
Label
Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Calculation
rdi4pa = 60 * ( hremba4 + hroa4 + hnrba4 + hnroa4 + carba4 + caroa4 + canba4 + canoa4 + oarba4 + oaroa4 + oanba4 + oanoa4 ) / slpprdp
Units
events per hour
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,642 13.6 ± 13.6 9.3 0.0 118.9 162 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 2,613 13.8 ± 14.1 9.2 0.0 117.6 1,467 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,642 13.6 ± 13.6 9.3 0.0 118.9 162 5,804
35-44 years 336 9.2 ± 12.4 5.3 0.2 93.7 6 342
45-54 years 999 10.9 ± 13.0 7.0 0.0 118.9 18 1,017
55-64 years 1,734 13.7 ± 13.9 9.1 0.0 100.9 35 1,769
65-74 years 1,572 14.9 ± 13.8 10.9 0.0 115.3 45 1,617
75-84 years 907 15.2 ± 12.8 11.5 0.2 78.6 48 955
85 years or older 94 17.5 ± 15.3 12.2 0.0 77.4 10 104
Gender vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,642 13.6 ± 13.6 9.3 0.0 118.9 162 5,804
Male 2,691 17.3 ± 15.1 13.1 0.0 118.9 74 2,765
Female 2,951 10.2 ± 11.0 6.9 0.0 101.5 88 3,039
Gender vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,613 13.8 ± 14.1 9.2 0.0 117.6 1,467 4,080
Male 1,200 17.5 ± 15.5 12.8 0.0 117.6 661 1,861
Female 1,413 10.6 ± 11.9 7.0 0.0 95.0 806 2,219
Race vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,642 13.6 ± 13.6 9.3 0.0 118.9 162 5,804
White 4,785 13.8 ± 13.5 9.5 0.0 118.9 122 4,907
Black 477 13.6 ± 15.5 8.4 0.1 112.9 38 515
Other 380 11.2 ± 12.1 7.4 0.2 79.9 2 382
Race vs Overall Respiratory Disturbance Index (RDI) at >=4% oxygen desaturation or arousal
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 2,613 13.8 ± 14.1 9.2 0.0 117.6 1,467 4,080
White 2,280 13.9 ± 14.1 9.4 0.0 117.6 1,307 3,587
Black 174 13.8 ± 14.5 8.0 0.1 72.0 82 256
Other 159 11.8 ± 13.4 8.0 0.0 92.9 78 237