Name

rdim4p

Label

Overall Respiratory Disturbance Index (RDI) at >=4% desaturation

Description

[(total number of apneas and hypopneas associated with >= 4% desaturation) / (hours of sleep)]

Calculation
Units
events per hour
Type
numeric
Visit Number vs Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
N Mean StdDev Median Min Max Unknown Total
Baseline 453 3.1 ± 3.8 1.6 0.0 23.4 11 464
Follow-up 407 2.0 ± 5.0 0.6 0.0 59.7 46 453
Treatment Arm vs Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.1 ± 3.8 1.6 0.0 23.4 - 453
Early adenotonsillectomy (EAT) 226 3.2 ± 3.8 1.7 0.0 22.2 - 226
Watchful waiting with supportive care (WWSC) 227 3.0 ± 3.7 1.6 0.0 23.4 - 227
Treatment Arm vs Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.0 ± 5.0 0.6 0.0 59.7 46 453
Early adenotonsillectomy (EAT) 199 1.0 ± 1.9 0.4 0.0 17.6 27 226
Watchful waiting with supportive care (WWSC) 208 3.0 ± 6.6 0.7 0.0 59.7 19 227
Age vs Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.1 ± 3.8 1.6 0.0 23.4 - 453
5 - 7 years old 329 2.9 ± 3.5 1.5 0.0 20.7 - 329
8 - 10 years old 124 3.7 ± 4.4 2.2 0.0 23.4 - 124
Age vs Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 2.0 ± 5.1 0.6 0.0 59.7 2 399
5 - 7 years old 260 2.1 ± 5.7 0.6 0.0 59.7 2 262
8 - 10 years old 137 1.9 ± 3.5 0.6 0.0 20.6 - 137
Gender vs Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.1 ± 3.8 1.6 0.0 23.4 - 453
Female 234 3.2 ± 3.9 1.7 0.0 23.4 - 234
Male 219 3.0 ± 3.7 1.6 0.0 22.2 - 219
Gender vs Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.0 ± 5.0 0.6 0.0 59.7 46 453
Female 209 2.2 ± 6.0 0.5 0.0 59.7 25 234
Male 198 1.8 ± 3.8 0.7 0.0 34.9 21 219
Race vs Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 3.1 ± 3.8 1.6 0.0 23.4 - 453
White 156 2.2 ± 2.9 1.2 0.0 16.4 - 156
Black 249 3.6 ± 4.1 2.0 0.0 23.4 - 249
Other 48 3.0 ± 3.9 1.4 0.0 15.8 - 48
Race vs Overall Respiratory Disturbance Index (RDI) at >=4% desaturation
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 2.0 ± 5.0 0.6 0.0 59.7 46 453
White 147 1.7 ± 6.1 0.4 0.0 59.7 9 156
Black 217 2.3 ± 4.4 0.8 0.0 30.5 32 249
Other 43 1.3 ± 3.1 0.4 0.0 19.9 5 48