Name
rdim4pns
Label
Overall non-supine RDI at 4% desaturation
Description

Non-supine RDI at 4% desaturation [(total number of apneas and hypopneas in non-supine body position associated with >= 4% desaturation) / (hours of sleep)]

Calculation
rdim4pns = 60*(hrop4 + hnrop4 + carop4 + canop4 + oarop4 + oanop4 + marop4 + manrop4)/(remepop+nremepop)
Units
events per hour
Type
numeric
Visit Number vs Overall non-supine RDI at 4% desaturation
N Mean StdDev Median Min Max Unknown Total
Baseline 404 2.6 ± 3.6 1.3 0.0 20.2 49 453
Follow-up 396 1.7 ± 4.9 0.4 0.0 69.2 57 453
Age vs Overall non-supine RDI at 4% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 404 2.6 ± 3.6 1.3 0.0 20.2 49 453
5-7 yrs old 292 2.5 ± 3.5 1.2 0.0 18.7 37 329
8-10 yrs old 112 2.9 ± 4.0 1.6 0.0 20.2 12 124
Age vs Overall non-supine RDI at 4% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 386 1.8 ± 5.0 0.4 0.0 69.2 13 399
5-7 yrs old 255 1.8 ± 5.6 0.4 0.0 69.2 7 262
8-10 yrs old 131 1.6 ± 3.7 0.5 0.0 27.2 6 137
Gender vs Overall non-supine RDI at 4% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 404 2.6 ± 3.6 1.3 0.0 20.2 49 453
Female 207 2.6 ± 3.5 1.2 0.0 18.5 27 234
Male 197 2.7 ± 3.8 1.3 0.0 20.2 22 219
Gender vs Overall non-supine RDI at 4% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 396 1.7 ± 4.9 0.4 0.0 69.2 57 453
Female 203 2.1 ± 6.5 0.4 0.0 69.2 31 234
Male 193 1.3 ± 2.5 0.6 0.0 19.0 26 219
Race vs Overall non-supine RDI at 4% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 404 2.6 ± 3.6 1.3 0.0 20.2 49 453
Black 231 3.1 ± 3.9 1.7 0.0 20.2 18 249
White 136 1.9 ± 3.0 0.9 0.0 18.7 20 156
Other 37 2.7 ± 4.1 1.3 0.0 18.8 11 48
Race vs Overall non-supine RDI at 4% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 396 1.7 ± 4.9 0.4 0.0 69.2 57 453
Black 210 2.1 ± 4.1 0.7 0.0 27.6 39 249
White 143 1.3 ± 6.1 0.3 0.0 69.2 13 156
Other 43 1.3 ± 4.2 0.3 0.0 27.2 5 48