Table. Epidemiologic and clinical characteristics of shigellosis cases, Georgia, USA, 2002–2012.
| Characteristic | Isolates, no. postive/total no. (%)* |
Odds ratio (95% CI) |
||||
|---|---|---|---|---|---|---|
| All Shigella | Feces | Blood | Univariate† | Multivariate‡ | ||
| Outbreak-associated case‡ | 591/3,681 (16.1) | 586/3,509 (16.7) | 0/38 | 15.46 (0.95–251.97) | ||
| International travel–acquired case§ |
114/3,681 (8.3) |
113/1,315 (8.6) |
1/17 (5.9) |
|
1.51 (0.20−11.5) |
|
| Hospitalized patient | 1,940/10,443 (18.6) | 1,826/10,804 (16.9) | 44/72 (61.1) | 0.10 (0.06–0.18) | ||
| Died | 35/11,262 (0.31) | 29/8,823 (0.3) | 2/66 (3.0) | 0.11 (0.25–0.45) | ||
| Atlanta resident¶ |
3,793/11,262 (33.7) |
3,647/10,794 (33.8) |
50/72 (69.4) |
|
4.46 (2.70–7.38) |
|
| Patient race/ethnicity | ||||||
| White | 4,396/9,502 (46.3) | 4,782/9,026 (53.0) | 12/71 (16.9) | 7.36 (4.10– 13.20) | ||
| Other | 484/9,502 (5.1) | 364/9,026 (4.0) | 1/71 (1.4) | 6.50 (0.40– 105.15) | ||
| Hispanic | 874/7,545 (11.6) | 844/6,405 (13.2) | 1/63 (1.6) | 8.18 (1.13– 59.04) | ||
| Black |
4,082/9,502 (43.0) |
3,880/9,026 (43.0) |
58/71 (81.7) |
|
6.03 (3.30–11.03) |
5.40 (2.94– 9.89) |
| Male sex | 5,500/11,196 (49.1) | 5,348/10,744 (49.8) | 51/72 (70.8) | 2.45 (1.47–4.08) | 1.50 (0.83– 2.68) | |
| Age >18 y |
3,321/11,262 (29.5) |
3,089/10,773 (28.7) |
53/72 (73.6) |
|
6.83 (4.04–11.56) |
4.61 (2.55– 8.34) |
| S. flexneri serogroup§ | 755/6,960 (10.8) | 710/6,742 (10.5) | 26/52 (50.0) | 8.50 (4.91–14.72) | 1.96 (1.06– 3.61) | |
*Unknown results were excluded. †Odds ratio in comparison to isolation from feces. Blank cells indicate variables were not included in the final model. ‡Final logistic regression model results (cases with missing data were excluded from the multivariate analysis). §Reported only for 2005–2012. ¶Atlanta resident is a patient residing in the 20-county metropolitan statistical area.