4.
Comparison of median survival on cytoreduction status
| Treatment | Case No. (Ref No.) | Median survival (month) | P |
| CCR, completeness of cytoreduction. | |||
| R0 | 7 (27) | 36.3 | 0.05 |
| R0/R1 | 12 (27) | 11.2 | 0.015 |
| R2 | 19 (27) | 3.3 | 0.015 |
| CCR-0 | 11(29) | 43.4 | 0.001 |
| 8 (28) | 15.0 | 0.007 | |
| 85 (30) | 15.0 | <0.001 | |
| CCR-1 | 6 (29) | 9.4 | 0.001 |
| 37 (30) | 6.0 | <0.001 | |
| CCR-0/1 | 25 (26) | 21.3 | <0.01 |
| CCR-2 | 24 (26) | 6.6 | <0.01 |
| 18 (28) | 3.9 | 0.007 | |
| CCR-2/3 | 11 (29) | 8.3 | 0.001 |
| 30 (30) | 30.0 | <0.001 | |
| Complete cytoreduction | 47 (25) | 15.5 | <0.001 |
| Incomplete cytoreduction | 60 (25) | 7.9 | <0.001 |