Table 2.

Overall Survival From Surgery Stratified by Mandard TRG in Patients Treated With Chemotherapy Plus Surgery

Mandard TRG	Median Survival	HR (95% CI)			P*
Mandard TRG (1 and 2 v 3 v 4 v 5)
1-2	Not reached†				.098
3	22.51	1.86 (1.01 to 3.43)
4	20.47	1.84 (0.97 to 3.49)
5	19.15	2.43 (1.17 to 5.04)
Mandard TRG (1 and 2 v 3 and 4 and 5)
1-2	Not reached†	1.94 (1.11 to 3.39)			.0209
3-5	20.47

Abbreviations: HR, hazard ratio; TRG, tumor regression grade.

^*Cox regression method.

^†Greater than last censoring time.