Table 2.

Case fatality rates per 100 patients, adjusted for age groups and sex, with odds ratios for the case fatality rates derived through logistic regression analysis, at 0-29 days and 30-364 days after hospital admission for acute pancreatitis, 1963-74, 1975-86, and 1987-98

		0-29 days			30-364 days
Time period	No of admissions	No of deaths	Case fatality rate (95% CI)	Odds ratio (95% CI)	No of deaths	Case fatality rate (95% CI)	Odds ratio (95% CI)
1963-74	396	55	14.2 (9.9 to 18.4)	1.00	25	5.6 (3.3 to 8.0)	1.00
1975-86	1934	156	7.6 (6.4 to 8.8)	0.48 (0.34 to 0.68)	105	5.1 (4.2 to 6.1)	0.88 (0.56 to 1.41)
1987-98	2982	193	6.7 (5.7 to 7.7)	0.41 (0.29 to 0.58)	146	5.1 (4.3 to 5.9)	0.87 (0.55 to 1.37)
1963-98 (total)	5312	404	7.6 (6.9 to 8.4)		276	5.2 (4.6 to 5.8)