Table 1

Incidence of ulcerative colitis in Olmsted County by sex, age, and calendar year^1-150

Age (y)		1940–43				1944–53				1954–63				1964–73				1974–83				1984–93				Total
Age (y)		n	Rate1-151			n	Rate1-151			n	Rate1-151			n	Rate1-151			n	Rate1-151			n	Rate1-151			n	Rate1-151
Men
<20	0	0		2	2.5		2	1.6		4	2.4		7	4.4		3	1.8		18	2.5
20–29	1	7.5		1	3.1		2	5.2		11	21.0		13	17.3		13	16.4		41	14.1
30–39	0	0		1	3.1		4	9.9		3	5.7		11	16.6		15	16.4		34	11.5
40–49	0	0		1	3.8		3	9.3		7	17.8		9	18.8		8	12.7		28	12.8
50–59	0	0		1	4.5		3	11.9		3	9.9		5	13.8		5	11.2		17	10.2
60–69	0	0		1	6.6		1	5.4		4	18.8		2	8.1		4	13.4		12	10.5
⩾70	0	0		0	0		1	7.4		1	5.8		1	5.0		3	12.0		6	6.7
Subtotal	1	1.2		7	3.2		16	5.5		33	8.8		48	11.2		51	10.3		156	8.2
Women
<20	0	0		1	1.2		0	0		1	0.6		4	2.6		2	1.3		8	1.1
20–29	0	0		4	8.9		2	3.8		13	17.4		10	10.8		8	8.9		37	9.9
30–39	0	0		3	8.6		5	12.2		11	21.4		3	4.4		13	13.6		35	11.5
40–49	0	0		0	0		3	8.7		3	7.4		6	12.5		6	9.1		18	7.8
50–59	0	0		3	12.5		2	7.0		0	0		3	7.8		2	4.5		10	5.6
60–69	0	0		1	6.0		0	0		2	7.3		2	6.6		1	2.9		6	4.4
⩾70	0	0		0	0		2	10.3		1	3.5		4	10.4		1	2.1		8	5.3
Subtotal	0	0		12	4.9		14	4.3		31	7.4		32	6.8		33	6.2		122	5.9
Men adjusted1-152		1.2 (0–3.5)			3.2 (0.8–5.6)			6.4 (3.2–9.7)			10.4 (6.7–14.0)			11.6 (8.2–15.0)			10.8 (7.8–13.9)			9.0 (7.6–10.5)
Women adjusted1-152		0.0 (0−0)			4.9 (2.1–7.6)			5.4 (2.5–8.3)			8.4 (5.4–11.5)			7.1 (4.6–9.6)			6.1 (4.0–8.2)			6.2 (5.1–7.3)
Total adjusted1-154		0.6 (0–1.8)			4.0 (2.2–5.9)			5.9 (3.8–8.1)			9.3 (7.0–11.7)			9.4 (7.3–11.5)			8.3 (6.5–10.1)			7.6 (6.7–8.5)

↵1-150 Includes definite and probable cases.
↵1-151 Crude rate (cases per 100 000 person years).
↵1-152 Age adjusted to US white population, 1990 (95% confidence intervals).
↵1-154 Age and sex adjusted to US white population, 1990 (95% confidence intervals).