Table 3. Measles case fatality rate among SC/ST and G/OBC cases stratified by age group and vitamin A administration, Bihar, India.

	Measles death	Measles cases	CFR	95% CI	P
Age <5 years
G/OBC	10	1125	0.90	0.44–1.83	0.004
SC/ST	10	511	1.92	1.01–3.62
Age> = 5 years
G/OBC	1	1554	0.07	0.03–0.19	0.000
SC/ST	7	480	1.51	0.86–2.64
Vitamin A given
G/OBC	2	817	0.20	0.10–0.41	0.071
SC/ST	0	471	0	0
Vitamin A not given
G/OBC	9	1862	0.53	0.21–1.28	0.000
SC/ST	17	520	3.32	2.21–4.95