Table 1 Analysis of 85 sera from patients with a culture confirmed Yersinia enterocolitica O:3 infection
Days (median) | No of samples | IgA | IgG | IgM | IgA, IgG, IgM combined | Agglutination | |
|---|---|---|---|---|---|---|---|
Sample 1 | 20–104 (53) | 77 | 37 (48%) | 30 (39%) | 57 (74%) | 59 (77%) | 45 (58%) |
Sample 2 | 66–271 (119) | 39 | 12 (31%) | 16 (41%) | 14 (36%) | 20 (51%) | 13 (33%) |
Sample 3 | 164–736 (209,5) | 60 | 16 (27%) | 19 (32%) | 19 (32%) | 29 (48%) | 13 (22%) |
Sample 4 | 353–1053 (610,5) | 44 | 10 (23%) | 10 (23%) | 9 (20%) | 18 (41%) | 6 (14%) |
Sample 1 and/or 2 | 81 | 38 (47%) | 33 (41%) | 59 (73%) | 62 (77%) | 47 (58%) | |
Up to 36 days | 20–36 (29,5) | 10 | 9 (90%) | 4 (40%) | 10 (100%) | 10 (100%) | 6 (60%) |
Up to 60 days | 20–60 (44) | 48 | 28 (58%) | 20 (42%) | 38 (79%) | 39 (81%) | 29 (60%) |
61–90 days | 62–88 (71,5) | 32 | 9 (28%) | 10 (31%) | 20 (63%) | 20 (63%) | 17 (53%) |
3–6 months | 93–182 (124,5) | 36 | 11 (31%) | 14 (39%) | 12 (33%) | 19 (53%) | 11 (31%) |
6–12 months | 183–362 (213) | 61 | 17 (28%) | 21 (34%) | 21 (34%) | 31 (51%) | 14 (23%) |
1–2 years | 377–719 (473) | 26 | 7 (27%) | 7 (27%) | 6 (23%) | 13 (50%) | 6 (23%) |
2–3 years | 736–1053 (896) | 17 | 3 (18%) | 3 (18%) | 2 (12%) | 4 (24%) | 0 (0%) |