Histogram

Visit Number vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
N Mean StdDev Median Min Max Unknown Total
Baseline 453 5.6 ± 11.4 0.0 0.0 80.0 - 453
Follow-up 407 3.1 ± 9.0 0.0 0.0 79.2 46 453
Treatment Arm vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.6 ± 11.4 0.0 0.0 80.0 - 453
Early adenotonsillectomy (EAT) 226 5.1 ± 9.9 0.0 0.0 67.9 - 226
Watchful waiting with supportive care (WWSC) 227 6.1 ± 12.7 0.0 0.0 80.0 - 227
Treatment Arm vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.1 ± 9.0 0.0 0.0 79.2 46 453
Early adenotonsillectomy (EAT) 199 1.9 ± 6.1 0.0 0.0 51.4 27 226
Watchful waiting with supportive care (WWSC) 208 4.2 ± 11.0 0.0 0.0 79.2 19 227
Child's age vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.6 ± 11.4 0.0 0.0 80.0 - 453
5 - 7 years old 329 5.2 ± 10.7 0.0 0.0 67.9 - 329
8 - 10 years old 124 6.6 ± 13.0 0.0 0.0 80.0 - 124
Child's age vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 397 3.1 ± 9.1 0.0 0.0 79.2 2 399
5 - 7 years old 260 3.0 ± 8.8 0.0 0.0 68.9 2 262
8 - 10 years old 137 3.3 ± 9.7 0.0 0.0 79.2 - 137
Child's gender vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.6 ± 11.4 0.0 0.0 80.0 - 453
Female 234 6.0 ± 12.8 0.0 0.0 80.0 - 234
Male 219 5.1 ± 9.6 0.0 0.0 67.9 - 219
Child's gender vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.1 ± 9.0 0.0 0.0 79.2 46 453
Female 209 2.8 ± 8.9 0.0 0.0 79.2 25 234
Male 198 3.3 ± 9.2 0.0 0.0 68.9 21 219
Child's race vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 453 5.6 ± 11.4 0.0 0.0 80.0 - 453
White 156 3.1 ± 7.3 0.0 0.0 41.8 - 156
Black 249 7.3 ± 13.1 0.0 0.0 80.0 - 249
Other 48 4.6 ± 10.9 0.0 0.0 48.2 - 48
Child's race vs Hypopnea Index (REM, Supine) : (Hypopneas with > 50% flow reduction and with >= 4% oxygen desaturation and with or without arousal) / hour of NREM sleep in supine position from type I polysomnography
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 407 3.1 ± 9.0 0.0 0.0 79.2 46 453
White 147 2.5 ± 9.1 0.0 0.0 68.9 9 156
Black 217 3.5 ± 9.1 0.0 0.0 79.2 32 249
Other 43 2.6 ± 8.4 0.0 0.0 40.0 5 48