Table 1. Hazard ratios for OS and DFS based upon dCK expression (high vs. low [reference level]) patients treated with gemcitabine or 5-FU.

		Total patients analyzed (n = 165)		Gemcitabine arm (n = 76)		5-FU arm (n = 89)
		HR (95% CI)	P value	HR (95% CI)	P value	HR (95% CI)	P value
Univariable analysis	DFS	0.78 (0.57, 1.08)	P = 0.13	0.96 (0.60, 1.54)	P = 0.87	0.66 (0.42, 1.03)	P = 0.065
	OS	0.66 (0.47, 0.93)	P = 0.016	0.83 (0.51, 1.36)	P = 0.45	0.56 (0.35, 0.88)	P = 0.012
Multivariable analysis	DFS	0.75 (0.54–1.04)	P = 0.08	0.96 (0.60, 1.54)	P = 0.87	0.60 (0.38, 0.95)	P = 0.027
	OS	0.61 (0.44, 0.86)	P = 0.0044	0.79 (0.48, 1.30)	P = 0.35	0.53 (0.33, 0.85)	P = 0.0078