. Author manuscript; available in PMC: 2012 Feb 3.

Published in final edited form as: Med Decis Making. 2011 Aug 21;32(1):83–92. doi: 10.1177/0272989X11416512

Table 2. Variation in Use of Inpatient Phototherapy within 8 Hours by Birth Hospital for Infants 0 to 0.9 mg/dL above the AAP Phototherapy Threshold.

Hospital	Total No.	Qualifying TSB 0 to 0.9 mg/dL above AAP Guideline		PT if TSB 0 to 0.9 mg/dL above AAP Guideline		Crude OR for PT	Adjusted^a OR for PT	95% CI for Adjusted OR	P Value

		No.	%	No.	%
A	754	123	16	22	18	0.30	0.33	0.19–0.58	<0.001
B	2869	452	16	118	26	0.49	0.57	0.41–0.78	<0.001
C	434	49	11	14	29	0.55	0.49	0.24–1.03	0.059
D	1106	98	9	33	34	0.70	0.58	0.35–0.97	0.040
E	2078	271	13	56	21	0.36	0.25	0.17–0.37	<0.001
F	1436	221	15	59	27	0.50	0.44	0.30–0.65	<0.001
G	1548	281	18	38	14	0.22	0.19	0.13–0.30	<0.001
H	1102	137	12	43	31	0.63	0.60	0.39–0.95	0.028
J	2313	342	15	39	11	0.18	0.18	0.12–0.27	<0.001
K	1967	264	13	79	30	0.59	0.59	0.41–0.84	0.004
L	2156	150	7	48	32	0.65	0.63	0.41–0.98	0.039
M	2968	488	16	205	42	1.00 (ref)	1.00 (ref)	—	—
Total	20731	2876	14	754	26

AAP, American Academy of Pediatrics; CI, confidence interval; OR, odds ratio; PT, phototherapy threshold; TSB, total serum bilirubin.

OR adjusted for year of birth, maternal age, race, sex, birth weight, gestational age, qualifying TSB (6 categories), and age at qualifying TSB (5 categories).