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Comparison 4: Topotecan versus Topotecan/thalidomide, Outcome 1: Progression free survival
| Progression free survival | ||||
| Study | Group | Median (month) | 95% CI | P value |
| Downs 2008 | Topotecan | 4 | 2.9 to 5.1 | |
| Topotecan with thalidomide | 6 | 4.2 to 7.7 | 0.02 | |
