Table 2.

Odds Ratios of Being in the Top 20% of Antibiotic Recipients for Children With vs Without Various Chronic Conditions

Body System	Odds Ratio	P Value	Number With Condition (%)	Percentage of Top 20% of Antibiotic Recipients With Condition
Pulmonary/respiratory	2.64	< .0001	22 786 (18.3)	7.0
Otologic	2.62	< .0001	2240 (1.8)	0.8
Immunological	2.53	< .0001	1435 (1.2)	0.6
Renal	1.96	< .0001	1315 (1.1)	0.4
Gastrointestinal	1.52	< .0001	2646 (2.1)	0.8
Neurological	1.36	< .0001	2985 (2.4)	0.8
Genitourinary	1.32	< .0001	11 118 (8.9)	2.7
Hematological	1.30	< .0001	1217 (1)	0.3
Cardiac	1.22	< .0001	2907 (2.3)	0.7
Endocrinological	1.21	< .01	1174 (0.9)	0.3
Metabolic	1.20	< .0001	5413 (4.3)	1.3
Dermatological	1.10	< .001	8522 (6.8)	1.8
Genetic	1.05	N.S.	341 (0.3)	0.1
Musculoskeletal	1.05	N.S.	1208 (1)	0.4
Craniofacial	1.05	N.S.	8969 (7.2)	1.8
Ophthalmological	1.02	N.S.	11 341 (9.1)	2.4
Mental health	0.98	N.S.	431 (0.3)	0.1
Malignancy	0.92	N.S.	558 (0.4)	0.1
Otolaryngological	0.87	N.S.	308 (0.2)	0.1

Abbreviation: N.S., not significant.

P values correspond to 2-tailed t-tests that the log-odds ratio differs from 0. Note that individuals may fall into more than 1 category if they have multiple chronic conditions.