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Number of patients according to the regimens
| Type of Regimens | With P | Without P | Total |
| N (%) | N (%) | N (%) | |
| F-based regimens | 83 (58) | 61 (42) | 144 (100) |
| 5-FU | 17 | 46 | 63 |
| S1 | 50 | 6 | 56 |
| Capecitabine | 16 | 6 | 22 |
| UFT | 0 | 3 | 3 |
| G-based regimens | 94 (95) | 5 (5) | 99 (100) |
| Total | 177 (73) | 66 (27) | 243 (100) |
P, platinum; F, fluoropyrimidines; 5-FU, 5-fluorouracil; UFT, uracil-tegafur; G, gemcitabine
