Volume 24, Number 12—December 2018
Dispatch
In-Host Adaptation of Salmonella enterica Serotype Dublin during Prosthetic Hip Joint Infection
Table
Demographic characteristics of patients and sources for Salmonella enterica serotype Dublin and other Salmonella isolates, France, 2010–2016
Patient characteristic | Salmonella Dublin, no (%) | Other Salmonella, no. (%) | p value* |
---|---|---|---|
All cases, N = 63,264 |
642 |
62,622 |
|
Sex† | |||
F | 266 | 30,762 | <0.01 |
M |
363 |
30,401 |
|
Age group, y‡ | |||
<1 | 4 (0.6) | 3,767 (6.0) | <0.01 |
1–5 | 33 (5.1) | 15,302 (24.4) | <0.01 |
6–14 | 19 (3.0) | 8,636 (13.8) | <0.01 |
15–64 | 199 (31.0) | 23,653 (37.8) | NS |
>65 | 375 (58.4) | 9,801 (15.7) | <0.01 |
Unknown |
12 (1.9) |
1463 (2.3) |
NS |
Type of human sample§¶ | |||
Feces | 218 (34.0) | 55,824 (89.1) | <0.01 |
Blood | 264 (41.1) | 3,268 (5.2) | <0.01 |
Urine | 72 (11.2) | 2,257 (3.6) | <0.01 |
Articular | 20 (3.1) | 30 (0.05) | <0.01 |
Pus | 11 (1.7) | 65 (0.1) | <0.01 |
Bile | 1 (0.2) | 32 (<0.1) | NS |
Cerebrospinal fluid | 0 | 23 (<0.1) | NS |
Other |
56 (8.7) |
1123 (1.8) |
<0.01 |
Hospitalization | 368 (57.3) | 20,556 (32.8) | <0.01 |
*Pearson χ2 test used for statistical comparisons with significant difference if p<0.05. NS, nonsignificant.
†Numbers do not add to total because of patients for whom sex was unknown.
‡Median ages: Salmonella Dublin, 69.7 y (range <1–99); other Salmonella, 29.5 y (range <1–103); p<0.01.
§Ratio of blood to 1,000 fecal isolates: Salmonella Dublin, 1,211; other Salmonella, 58; p<0.01.
¶Prosthetic joint prevalence among patients: Salmonella Dublin, n = 10/642 (1.5%); other Salmonella, 11/62,622 (<0.1%); p<0.01.