Table 3.
Subgroups of Shigella-positive diarrhoea for children aged <5 years, Mirzapur, rural Bangladesh
| Indicators | Dysentery (N = 220) n (%) | Non-dysentery (N = 108) n (%) | OR (95% CI) |
|---|---|---|---|
| Shigella flexneri | 133 (60) | 44 (41) | 2·22 (1·35–3·66) |
| Shigella flexneri 2a | 63 (47·4) | 19 (43·2) | 1·18 (0·56–2·49) |
| Shigella flexneri 2b | 24 (18·0) | 1 (2·3) | 9·47 (1·30–193·73) |
| Shigella flexneri 3a | 12 (9·0) | 8 (18·2) | 0·45 (0·15–1·31) |
| Shigella flexneri 6 | 18 (13·5) | 3 (6·8) | 2·14 (0·55–9·66) |
| Atypical Shigella flexneri | 10 (7·5) | 2 (4·5) | 1·71 (0·33–11·78) |
| Others | 8 (6·0) | 11 (25·0) | 0·19 (0·06–0·57) |
| Shigella sonnei | 66 (30) | 24 (22) | 1·5 (0·85–2·66) |
| Shigella boydii | 13 (6) | 33 (31) | 0·14 (0·07–0·30) |
| Shigella dysenteriae | 6 (3) | 7 (6) | 0·40 (0·12–1·38) |
OR, Odds ratio; CI, confidence interval.
Atypical Shigella flexneri (S. flexneri 1c, S. flexneri 4, S. flexneri 4a, S. flexneri 5b); others [S. flexneri 3b, S. flexneri X, S. flexneri Y, S. flexneri 1a, S. flexneri 1b, S. flexneri poly(+)].