Race

Quality of cannula vs Visit Number
Baseline Follow-up
Total 453 453
Signal good for < 25% of sleep time 34 22
Signal good for 25-49% of sleep time 39 15
Signal good for 50-74% of sleep time 67 34
Signal good for 75-94% of sleep time 167 124
Signal good for >= 95% of sleep time 146 212
Unknown - 46
Quality of cannula vs Treatment Arm
Baseline
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
Signal good for < 25% of sleep time 16 18 34
Signal good for 25-49% of sleep time 19 20 39
Signal good for 50-74% of sleep time 32 35 67
Signal good for 75-94% of sleep time 93 74 167
Signal good for >= 95% of sleep time 66 80 146
Quality of cannula vs Treatment Arm
Follow-up
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
Signal good for < 25% of sleep time 9 13 22
Signal good for 25-49% of sleep time 4 11 15
Signal good for 50-74% of sleep time 7 27 34
Signal good for 75-94% of sleep time 60 64 124
Signal good for >= 95% of sleep time 119 93 212
Unknown 27 19 46
Quality of cannula vs Child's age
Baseline
5 - 7 years old 8 - 10 years old Total
Total 329 124 453
Signal good for < 25% of sleep time 26 8 34
Signal good for 25-49% of sleep time 30 9 39
Signal good for 50-74% of sleep time 57 10 67
Signal good for 75-94% of sleep time 123 44 167
Signal good for >= 95% of sleep time 93 53 146
Quality of cannula vs Child's age
Follow-up
5 - 7 years old 8 - 10 years old Total
Total 262 137 399
Signal good for < 25% of sleep time 17 4 21
Signal good for 25-49% of sleep time 12 3 15
Signal good for 50-74% of sleep time 23 11 34
Signal good for 75-94% of sleep time 77 44 121
Signal good for >= 95% of sleep time 131 75 206
Unknown 2 - 2
Quality of cannula vs Child's gender
Baseline
Female Male Total
Total 234 219 453
Signal good for < 25% of sleep time 14 20 34
Signal good for 25-49% of sleep time 20 19 39
Signal good for 50-74% of sleep time 39 28 67
Signal good for 75-94% of sleep time 90 77 167
Signal good for >= 95% of sleep time 71 75 146
Quality of cannula vs Child's gender
Follow-up
Female Male Total
Total 234 219 453
Signal good for < 25% of sleep time 12 10 22
Signal good for 25-49% of sleep time 5 10 15
Signal good for 50-74% of sleep time 22 12 34
Signal good for 75-94% of sleep time 61 63 124
Signal good for >= 95% of sleep time 109 103 212
Unknown 25 21 46
Quality of cannula vs Child's race
Baseline
White Black Other Total
Total 156 249 48 453
Signal good for < 25% of sleep time 10 20 4 34
Signal good for 25-49% of sleep time 17 18 4 39
Signal good for 50-74% of sleep time 26 31 10 67
Signal good for 75-94% of sleep time 59 96 12 167
Signal good for >= 95% of sleep time 44 84 18 146
Quality of cannula vs Child's race
Follow-up
White Black Other Total
Total 156 249 48 453
Signal good for < 25% of sleep time 9 9 4 22
Signal good for 25-49% of sleep time 5 8 2 15
Signal good for 50-74% of sleep time 12 19 3 34
Signal good for 75-94% of sleep time 34 79 11 124
Signal good for >= 95% of sleep time 87 102 23 212
Unknown 9 32 5 46