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Table 1 Parameter for Weibull models fitted to Kaplan-Meier survival curves

From: Trastuzumab plus chemotherapy versus chemotherapy alone in HER2-positive gastric cancer treatment in Iran: a cost-effectiveness analysis

Variable

 

Value

Scale parameter for PFS/OS Weibull distribution

OS_FOLFOX

0.0185

OS_ trastuzumab

0.0117

PFS_FOLFOX

0.065

PFS_ trastuzumab

0.0399

Shape parameter for PFS/OS Weibull distribution

OS_FOLFOX

1.48

OS_ trastuzumab

1.54

PFS_FOLFOX

1.44

PFS trastuzumab

1.438

  1. OS overall survival, PFS: progress free survival