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Distribution of complete O-Islands in HUS strains
| Complete O-Island | Prevalence (%) within STEC group (no. of strains with O-Island/ total no. of strains)
|
Odds ratio (95% CI)a | P | |
|---|---|---|---|---|
| Non-HUS associated | HUS associated | |||
| O-Island 36 | 7 (2/28) | 14 (4/29) | 2.1 (0.3-12.4) | NSb |
| O-Island 57 | 7 (2/28) | 41 (12/29) | 9.2 (1.8-46.3) | <0.01 |
| O-Island 71 | 7 (2/28) | 45 (13/29) | 10.6 (2.1-53.1) | <0.01 |
| O-Island 122 | 32 (9/28) | 66 (19/29) | 4.0 (1.3-12.1) | <0.05 |
CI, confidence interval.
NS, not significant.
