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Effects of post-diagnostic use of cholera vaccine on breast cancer survival.
| Groups | No. of persons at risk | No. of deaths | HR (95% CI) | P value |
|---|---|---|---|---|
| Overall survival | ||||
| No cholera vaccine | 1194 | 127 | – | – |
| Cholera vaccine use | 603 | 39 | 0.54 (0.37–0.79) | 0.0017 |
| Disease-specific survival | ||||
| No cholera vaccine | 1194 | 90 | – | – |
| Cholera vaccine use | 603 | 28 | 0.53 (0.33–0.84) | 0.0070 |
