Figure 1. Cockcroft-Gault creatinine clearance (CG-CCr) for patients in the four treatment groups. GC-f: Full-dose gemcitabine plus cisplatin (n=33); GC-r: reduced-dose gemcitabine plus cisplatin (n=10); G-Carf: full-dose gemcitabine plus carboplatin (n=24); G-Car-r: reduceddose gemcitabine plus carboplatin (n=11). Red lines indicate CG-CCr values of 30 and 50 ml/min.
