TABLE 4.
Patient demographics for E. coli O157:H7 and non-O157 cases
| Characteristic | No. (%) of cases with: |
|||
|---|---|---|---|---|
| O157:H7 from 2004–2012 (n = 1,407) | O157:H7 non-HUS subset (n = 60) | O157:H7 HUS subset (n = 29) | Clinical non-O157 (n = 39)a | |
| Age (yr) | ||||
| <5 | 270 (19.2) | 8 (13.3) | 14 (48.3) | 12 (30.8) |
| 5–9 | 170 (12.1) | 6 (10.0) | 9 (31.0) | 1 (2.6) |
| 10–19 | 253 (18.0) | 7 (11.7) | 4 (13.8) | 7 (17.9) |
| 20–29 | 251 (17.8) | 15 (25.0) | 2 (6.9) | 8 (20.5) |
| 30–39 | 94 (6.7) | 6 (10.0) | 0 (0.0) | 2 (5.1) |
| 40–49 | 97 (6.9) | 5 (8.3) | 0 (0.0) | 3 (7.7) |
| 50–59 | 102 (7.2) | 4 (6.7) | 0 (0.0) | 4 (10.3) |
| 60–69 | 71 (5.0) | 6 (10.0) | 0 (0.0) | 0 (0.0) |
| ≥70 | 99 (7.0) | 3 (5.0) | 0 (0.0) | 2 (5.1) |
| Mean | 26.0 | 30.3 | 8.7 | 22.0 |
| Gender | ||||
| Male | 720 (51.2) | 36 (60.0) | 17 (58.6) | 17 (43.6) |
| Female | 687 (48.8) | 24 (40.0) | 12 (41.4) | 22 (56.4) |
| Hospitalization | ||||
| Yes | 345 (24.5) | 23 (38.3) | 29 (100) | 3 (7.7) |
| No | 925 (65.7) | 33 (55.0) | 0 (0.0) | 36 (92.3) |
| Unknown | 137 (9.7) | 4 (6.7) | 0 (0.0) | 0 (0.0) |
a
HUS was not associated with any of the non-O157 isolates.