Name

rdim2ps

Label

Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation

Description

[(total number of apneas and hypopneas in supine body position associated with >= 2% desaturation) / (hours of sleep)]

Calculation
Units
events per hour
Type
numeric
Visit Number vs Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation
N Mean StdDev Median Min Max Unknown Total
Baseline 394 9.2 ± 12.0 5.5 0.0 114.0 70 464
Follow-up 389 5.4 ± 12.3 2.0 0.0 160.0 64 453
Treatment Arm vs Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 394 9.2 ± 12.0 5.5 0.0 114.0 59 453
Early adenotonsillectomy (EAT) 195 9.0 ± 11.0 5.5 0.0 74.6 31 226
Watchful waiting with supportive care (WWSC) 199 9.4 ± 12.9 5.5 0.0 114.0 28 227
Treatment Arm vs Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 389 5.4 ± 12.3 2.0 0.0 160.0 64 453
Early adenotonsillectomy (EAT) 192 2.5 ± 3.3 1.5 0.0 19.1 34 226
Watchful waiting with supportive care (WWSC) 197 8.2 ± 16.6 3.0 0.0 160.0 30 227
Age vs Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 394 9.2 ± 12.0 5.5 0.0 114.0 59 453
5 - 7 years old 287 7.7 ± 8.5 4.8 0.0 66.7 42 329
8 - 10 years old 107 13.2 ± 17.8 7.1 0.0 114.0 17 124
Age vs Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 379 5.5 ± 12.5 2.0 0.0 160.0 20 399
5 - 7 years old 249 5.8 ± 14.0 1.8 0.0 160.0 13 262
8 - 10 years old 130 4.9 ± 8.8 2.3 0.0 72.2 7 137
Gender vs Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 394 9.2 ± 12.0 5.5 0.0 114.0 59 453
Female 202 10.1 ± 12.4 5.2 0.0 81.8 32 234
Male 192 8.2 ± 11.5 5.5 0.0 114.0 27 219
Gender vs Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 389 5.4 ± 12.3 2.0 0.0 160.0 64 453
Female 196 5.8 ± 15.0 2.0 0.0 160.0 38 234
Male 193 5.1 ± 8.9 2.2 0.0 68.6 26 219
Race vs Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 394 9.2 ± 12.0 5.5 0.0 114.0 59 453
White 139 7.8 ± 10.4 4.8 0.0 81.8 17 156
Black 219 10.2 ± 13.3 6.3 0.0 114.0 30 249
Other 36 8.1 ± 8.4 4.9 0.0 34.8 12 48
Race vs Overall supine Respiratory Disturbance Index (RDI) at >=2% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 389 5.4 ± 12.3 2.0 0.0 160.0 64 453
White 144 4.9 ± 10.5 1.7 0.0 68.6 12 156
Black 202 5.8 ± 14.0 2.5 0.0 160.0 47 249
Other 43 5.0 ± 9.4 1.5 0.0 52.9 5 48