Name
dsnr2
Label
Number of desaturations per hour (NREM, >= 2%)
Description

Number of desaturations >= 2% per hour in NonREM sleep

Units
events per hour
Type
numeric
Visit vs Number of desaturations per hour (NREM, >= 2%)
N Mean StdDev Median Min Max Unknown Total
Visit 5 332 13.3 ± 20.9 4.0 0.0 123.0 403 735
Age at time of visit vs Number of desaturations per hour (NREM, >= 2%)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 294 12.9 ± 20.1 4.0 0.0 123.0 364 658
5-14 yrs old 47 1.6 ± 4.8 0.0 0.0 30.0 17 64
15-24 yrs old 45 4.6 ± 9.7 1.0 0.0 62.0 67 112
25-34 yrs old 32 8.4 ± 22.2 2.0 0.0 123.0 30 62
35-44 years 47 17.5 ± 24.0 5.0 0.0 94.0 51 98
45-54 years 53 16.7 ± 20.4 10.0 0.0 105.0 95 148
55-64 years 35 13.3 ± 12.4 10.0 0.0 52.0 49 84
65-74 years 25 30.8 ± 23.6 22.0 0.0 78.0 32 57
75-84 years 9 29.4 ± 33.1 9.0 0.0 76.0 22 31
85 years or older 1 40.0 - 40.0 40.0 40.0 1 2
Sex vs Number of desaturations per hour (NREM, >= 2%)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 332 13.3 ± 20.9 4.0 0.0 123.0 403 735
Female 202 10.1 ± 17.3 3.0 0.0 105.0 204 406
Male 130 18.4 ± 24.8 6.5 0.0 123.0 199 329
Race vs Number of desaturations per hour (NREM, >= 2%)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 332 13.3 ± 20.9 4.0 0.0 123.0 403 735
White 87 12.9 ± 19.3 4.0 0.0 84.0 217 304
Black 229 14.3 ± 22.0 4.0 0.0 123.0 180 409
Other 16 2.0 ± 3.1 1.0 0.0 11.0 6 22