Table 2. Multivariable Analysis for Bleeding Revisits After Pediatric Tonsillectomy.

Variable	Odds ratio (99% CI)
Age ≥12, y
No	1 [Reference]
Yes	2.48 (2.12-2.91)
Sex
Female	0.91 (0.81-1.03)
Male	1 [Reference]
Race and ethnicity
Asian	0.92 (0.74-1.15)
Black	0.78 (0.65-0.93)
Hispanic	1.19 (1.01-1.40)
White	1 [Reference]
Other	0.92 (0.74-1.15)
Payer
Government	1 [Reference]
Private	0.99 (0.87-1.14)
Other	1.60 (1.21-2.12)
Opportunity Index
Very low	1 [Reference]
Low	1.02 (0.85-1.23)
Moderate	1.09 (0.90-1.31)
High	1.13 (0.93-1.38)
Very high	1.28 (1.05-1.56)
Urban zip code
No	1 [Reference]
Yes	1.15 (0.95-1.39)
Cardiovascular disease
No	1 [Reference]
Yes	1.23 (0.87-1.73)
Gastrointestinal disease
No	1 [Reference]
Yes	1.33 (1.01-1.77)
Genetic variation
No	1 [Reference]
Yes	1.07 (0.84-1.35)
Obstructive sleep apnea
No	1 [Reference]
Yes	0.85 (0.75-0.96)
Chronic tonsillitis
No	1 [Reference]
Yes	1.33 (0.93-1.91)
Obesity
No	1 [Reference]
Yes	1.24 (1.04-1.48)