Table 4.

Odds ratios and their 95% CIs for ED visits for cellulitis vs. cellulitis localized in uncovered skin area in selected groups of patients, by age and sex.

Patients Sex/Age		Exposure Lag	Cellulitis—Any Site			Cellulitis—Uncovered Site
			n	OR	95% CI	n	OR	95% CI
M	0–2	0	597	1.35	1.05, 1.73 a	318	1.59	1.13, 2.24 a
		3		1.29	1.01, 1.66 a		1.42	0.99, 2.03
		4		1.40	1.10, 1.79 a		1.61	1.14, 2.26 a
		5		1.31	1.03, 1.66 a		1.42	1.02, 1.99 a
All	3–11	1	2,574	1.07	0.97, 1.19	1,312	1.22	1.03, 1.44 a
F	3–11	1	1,199	1.18	0.99, 1.41	614	1.32	1.03, 1.68 a
All	12–14	3	1,016	1.23	1.02, 1.49 a	487	1.36	1.03, 1.79 a
		4		1.28	1.06, 1.56 a		1.39	1.05, 1.85 a
		5		1.27	1.05, 1.53 a		1.49	1.12, 1.98 a
M	12–14	3	626	1.15	0.90, 1.47	314	1.53	1.09, 2.15 a
		4		1.23	0.97, 1.57		1.58	1.12, 2.22 a
		5		1.25	0.98, 1.59		1.73	1.21, 2.48 a
M	15–34	5	12,336	1.01	0.96, 1.07	7,100	1.07	1.01, 1.15 a
F	15–34	1	7,046	1.08	1.01, 1.16 a	3,285	1.15	1.03, 1.27 a
		2		1.02	0.95, 1.09		1.12	1.01, 1.25 a
M *	35–65	0	11,075	1.07	1.02, 1.13 a	5,150	1.19	1.10, 1.28 a
		1		1.06	1.01, 1.12 a		1.14	1.06, 1.23 a
		2		1.07	1.02, 1.13 a		1.08	1.01, 1.17 a
		3		1.09	1.03, 1.15 a		1.11	1.02, 1.19 a
F **	35–65	0	6,730	1.15	1.06, 1.25 a	2,920	1.29	1.14, 1.46 a
		1		1.17	1.08, 1.26 a		1.26	1.11, 1.43 a
		2		1.11	1.03, 1.21 a		1.25	1.11, 1.42 a
		3		1.05	0.97, 1.14		1.12	0.99, 1.27
M	66+older	0	5,343	1.08	1.01, 1.18 a	1,653	1.01	0.87, 1.17
		1		1.10	1.01, 1.20 a		1.10	0.95, 1.28
		2		1.04	0.96, 1.13		1.15	0.99, 1.33
F	66+ older	0	4,802	1.13	1.03, 1.23 a	1,410	1.12	0.96, 1.31
		1		1.09	1.01, 1.19 a		1.11	0.95, 1.30
		2		1.10	1.01, 1.20 a		1.12	0.96, 1.32
		3		1.17	1.08, 1.28 a		1.13	0.96, 1.33
		4		1.14	1.05, 1.24 a		1.09	0.93, 1.28

^ap-value < 0.05.

^*Cases in the cold months only (October–March).

^**Cases in the warm months only (Apri–September). All: both sexes, M: males, F: females.