Treatment Arm

Full brother has hay fever vs Visit Number
Baseline Follow-up
Total 453 453
Checked 25 -
Unknown 428 453
Full brother has hay fever vs Treatment Arm
Baseline
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
Checked 13 12 25
Unknown 213 215 428
Full brother has hay fever vs Treatment Arm
Follow-up
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
Checked - - -
Unknown 226 227 453
Full brother has hay fever vs Child's age
Baseline
5 - 7 years old 8 - 10 years old Total
Total 329 124 453
Checked 20 5 25
Unknown 309 119 428
Full brother has hay fever vs Child's age
Follow-up
5 - 7 years old 8 - 10 years old Total
Total 262 137 399
Checked - - -
Unknown 262 137 399
Full brother has hay fever vs Child's gender
Baseline
Female Male Total
Total 234 219 453
Checked 13 12 25
Unknown 221 207 428
Full brother has hay fever vs Child's gender
Follow-up
Female Male Total
Total 234 219 453
Checked - - -
Unknown 234 219 453
Full brother has hay fever vs Child's race
Baseline
White Black Other Total
Total 156 249 48 453
Checked 9 14 2 25
Unknown 147 235 46 428
Full brother has hay fever vs Child's race
Follow-up
White Black Other Total
Total 156 249 48 453
Checked - - - -
Unknown 156 249 48 453