Outbreak cohorts of various Salmonella enterica serovars with rheumatological survey*
| Reference | Serovar | Source | Number of subjects in the outbreak | Study type | No (%) of subjects who responded to the questionnaire | Number of patients with ReA | Occurrence of ReA† (% (No)) |
|---|---|---|---|---|---|---|---|
| *Based on studies with a reliable estimate of the total number of infected subjects; †presented as calculated in the referred study; ‡number of subjects admitted to hospital for salmonellosis; §number of subjects with adequate data; ¶number of subjects with positive stool culture for salmonella. NA, data not available; H, hospital based; QwCE, based on questionnaire followed by clinical examination; Q, based only on questionnaire. | |||||||
| Bengtsson et al, 1955 [2] | Typhimurium | Meat | 1800 | H | – | 9 | 1.4 (9/654‡) |
| Håkansson et al, 1976 [3] | Typhimurium | NA | 330 | H | – | 13 | 3.9 (13/330) |
| Eastmond et al, 1983 [4] | Typhimurium | Milk | 448 | H | – | 8 | 1.8 (8/448) |
| Inman et al, 1988 [5] | Typhimurium | Food | 473 | QwCE | 340 (72) | 19 | 7.3 (19/260§) |
| Thomson et al, 1992 [6] | Heidelberg | Potato salad | 83 | QwCE | 76 (92) | 6 | 7.2 (6/83) |
| Locht et al, 1993 [7] | Enteritidis | Food | 126 | Q | 113 (90) | 17 | 15 (17/113) |
| Thomson et al, 1994 [9] | Enteritidis | Turkey | 88 | QwCE | 34 (39) | 8 | 9.1 (8/88) |
| Mattila et al, 1994 [8] | 4,5,12:b:– | Mung bean sprouts | 272 | QwCE | 246 (90) | 17 | 6.9 (17/246) |
| Samuel et al, 1995 [10] | Typhimurium | Food | 919 | QwCE | 321 (35) | 6–23 | 1.2–4.6 (6/495¶ to 23/495¶) |
| Thomson et al, 1995 [11] | Typhimurium | Food | 423 | QwCE | 411 (97) | 27 | 6.4 (27/423) |
| Mattila et al, 1998 [12] | Bovismorbificans | Alfalfa sprouts | 210 | QwCE | 191 (91) | 22 | 11.5 (22/191) |
| McColl et al, 2000 [13] | Typhimurium | Pork rolls | 849 | QwCE | 424 (50) | 19 | 4.5 (19/424) |
| Present study | Typhimurium | Food | 78 | QwCE | 63 (81) | 5 | 7.9 (5/63) |