Chemotherapy alone versus definitive concurrent chemoradiotherapy for cT4b esophageal squamous cell carcinoma: a population-based study

Table 4 The HR of death for dCCRT versus C/T

dCCRT versus C/T	Primary analyses: dCCRT (dose ≤ 70 Gy)	SA-1: dCCRT with low dose (< 50 Gy)	SA-2: dCCRT with standard dose (50–70 Gy)
HR	0.36	1.1	0.31
95% CI	0.24–0.53	0.56–2.15	0.21–0.48
P value	< 0.001	0.79	< 0.001

CI confidence interval, C/T chemotherapy, dCCRT definitive concurrent chemoradiotherapy, HR hazard ratio

ISSN: 1471-230X