Name

rdim3ps

Label

Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation

Description

[(total number of apneas and hypopneas in supine body position associated with >= 3% desaturation) / (hours of sleep)]. will be missing if no time supine or low position sensor quality.

Calculation
Units
events per hour
Type
numeric
Visit Number vs Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
N Mean StdDev Median Min Max Unknown Total
Baseline 394 7.8 ± 11.2 4.3 0.0 108.0 70 464
Follow-up 389 4.7 ± 11.8 1.6 0.0 160.0 64 453
Treatment Arm vs Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 394 7.8 ± 11.2 4.3 0.0 108.0 59 453
Early adenotonsillectomy (EAT) 195 7.8 ± 10.3 4.1 0.0 71.7 31 226
Watchful waiting with supportive care (WWSC) 199 7.9 ± 12.0 4.4 0.0 108.0 28 227
Treatment Arm vs Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 389 4.7 ± 11.8 1.6 0.0 160.0 64 453
Early adenotonsillectomy (EAT) 192 2.1 ± 2.9 1.2 0.0 19.1 34 226
Watchful waiting with supportive care (WWSC) 197 7.3 ± 15.9 2.4 0.0 160.0 30 227
Age vs Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 394 7.8 ± 11.2 4.3 0.0 108.0 59 453
5 - 7 years old 287 6.4 ± 7.7 3.9 0.0 58.3 42 329
8 - 10 years old 107 11.7 ± 16.9 6.2 0.0 108.0 17 124
Age vs Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 379 4.8 ± 11.9 1.6 0.0 160.0 20 399
5 - 7 years old 249 5.0 ± 13.4 1.5 0.0 160.0 13 262
8 - 10 years old 130 4.3 ± 8.4 1.9 0.0 70.6 7 137
Gender vs Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 394 7.8 ± 11.2 4.3 0.0 108.0 59 453
Female 202 8.6 ± 11.6 4.3 0.0 76.4 32 234
Male 192 7.0 ± 10.7 4.2 0.0 108.0 27 219
Gender vs Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 389 4.7 ± 11.8 1.6 0.0 160.0 64 453
Female 196 4.9 ± 14.5 1.5 0.0 160.0 38 234
Male 193 4.5 ± 8.2 1.8 0.0 65.2 26 219
Race vs Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 394 7.8 ± 11.2 4.3 0.0 108.0 59 453
White 139 6.6 ± 9.7 3.9 0.0 76.4 17 156
Black 219 8.8 ± 12.4 5.0 0.0 108.0 30 249
Other 36 6.6 ± 7.5 3.8 0.0 27.0 12 48
Race vs Overall supine Respiratory Disturbance Index (RDI) at >=3% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 389 4.7 ± 11.8 1.6 0.0 160.0 64 453
White 144 4.2 ± 9.7 1.3 0.0 65.2 12 156
Black 202 5.3 ± 13.9 1.9 0.0 160.0 47 249
Other 43 3.7 ± 6.0 1.1 0.0 28.2 5 48