Table 3.

Efficacy of first-line treatment

Response	Group A (n=105)	Group B (n=97)	P-value
RR	52.4%	38.1%	0.042
DCR	96.2%	94.8%	0.740
PFS (months)	13.0	15.9	0.016
OS (months)	23.1	33.9	0.014
1-year survival rate	82.9%	76.3%	0.246
2-year survival rate	61.9%	47.4%	0.039

Abbreviations: DCR, disease-control rate; OS, overall survival; PFS, progression-free survival; RR, response rate.