Document Classification

Section Type: RESULTS

Text: The operation rate among those children with only a few episodes was increased by factors such as consulting an ear, nose, and throat specialist (risk ratio [RR], 13. 0 ; 95 % confidence interval [CI], 7. 6 to 22. 2) ; parental exaggeration of the episodes (RR, 6. 7 ; 95 % CI, 3. 8 to 11. 9) ; having the first episode under 6 months of age (RR, 4. 5 ; 95 % CI, 2. 5 to 7. 9) ; recurrent respiratory tract infections (RR, 3. 3 ; 95 % CI, 1. 9 to 5. 7) ; male sex (RR, 2. 6 ; 95 % CI, 1. 4 to 4. 6) ; urban domicile (RR, 2. 4 ; 95 % CI, 1. 1 to 4. 9) ; and day care (RR, 2. 1 ; 95 % CI, 1. 1 to 3. 8).