TABLE 1.
Demographic information and travel history of patients with nontyphoidal Salmonella infections from, England, 2004 to 2015a
| Characteristic | No. (%) of blood isolates | No. of all other isolates | Unadjusted OR (95% CI) | Adjusted OR (95% CI)b |
|---|---|---|---|---|
| Group | ||||
| Neonates (0–28 days) | 12 (4.4) | 272 | 2.35 (1.32–4.21) | 2.56 (1.45–4.65) |
| Infants (29 days to 1 yr) | 78 (1.2) | 6,603 | 0.61 (0.48–0.77) | 0.60 (0.47–0.75) |
| Children (1–17 yr) | 271 (0.9) | 29,088 | 0.48 (0.42–0.55) | 0.48 (0.42–0.55) |
| Adults 18–64 yr | 1,261 (1.9) | 65,586 | 1 (ref) | 1 (ref) |
| Adults >65 yr | 861 (6.5) | 13,314 | 3.53 (3.23–3.85) | 3.47 (3.17–3.80) |
| Unknown | 1 (0.1) | 1,497 | ||
| Sex | ||||
| Male | 1,426 (2.5) | 56,459 | 1.46 (1.35–1.59) | 1.54 (1.42–1.67) |
| Female | 976 (1.7) | 56,111 | 1 (ref) | 1 (ref) |
| Unknown | 82 (2.2) | 3,790 | ||
| OR per yr increase | NA | NA | 1.06 (1.04–1.07) | 1.05 (1.03–1.06) |
| International travel | ||||
| Yes | 560 (1.9) | 29,247 | 0.91 (0.80–1.03) | |
| No | 505 (1.7) | 28,974 | 1 (ref) | |
| Unknown (including blank) | 1,419 (2.4) | 58,139 | ||
| Total | 2,484 (2.1) | 116,360 |
a
NA, not applicable; ref, reference group. All isolates tested include blood and nonblood isolates (e.g., feces and pus).
b
Adjusted for age, sex, and year.