Treatment Arm

Child has grass or pollen allergy vs Visit Number
Baseline Follow-up
Total 453 453
Checked 36 -
Unknown 417 453
Child has grass or pollen allergy vs Treatment Arm
Baseline
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
Checked 19 17 36
Unknown 207 210 417
Child has grass or pollen allergy vs Treatment Arm
Follow-up
Early adenotonsillectomy (EAT) Watchful waiting with supportive care (WWSC) Total
Total 226 227 453
Checked - - -
Unknown 226 227 453
Child has grass or pollen allergy vs Child's age
Baseline
5 - 7 years old 8 - 10 years old Total
Total 329 124 453
Checked 26 10 36
Unknown 303 114 417
Child has grass or pollen allergy vs Child's age
Follow-up
5 - 7 years old 8 - 10 years old Total
Total 262 137 399
Checked - - -
Unknown 262 137 399
Child has grass or pollen allergy vs Child's gender
Baseline
Female Male Total
Total 234 219 453
Checked 15 21 36
Unknown 219 198 417
Child has grass or pollen allergy vs Child's gender
Follow-up
Female Male Total
Total 234 219 453
Checked - - -
Unknown 234 219 453
Child has grass or pollen allergy vs Child's race
Baseline
White Black Other Total
Total 156 249 48 453
Checked 14 16 6 36
Unknown 142 233 42 417
Child has grass or pollen allergy vs Child's race
Follow-up
White Black Other Total
Total 156 249 48 453
Checked - - - -
Unknown 156 249 48 453