Histotype-based prognostic classification of gastric cancer

Table 2 Survival analysis of 200 gastric cancers according to histotype-based grade and according to Lauren classification

				Cox survival analysis
						P value
	n (%)	Death rate	95% CI	HR	95% CI	Univariate	With stage
Grade
1	44 (22)	3.35	2.02-5.55	1
2	142 (71)	17.24	14.16-21.90	3.5	2.02-6.05	< 0.001	0.004
3	14 (7)	95.66	54.33-168.45	9.64	4.41-21.06	< 0.001a	< 0.001b
Lauren type1
Intestinal	116 (58)	8.86	6.93-11.31	1
Diffuse	50 (25)	21.08	15.20-29.22	1.71	1.13-2.57	0.011	0.362
Unclassified	34 (17)	18.4	12.53-27.03	1.7	1.07-2.68	0.023	0.165

^aP = 0.001 vs grade 2;

^bP = 0.019 vs grade 2. Harrell’s c = 0.63.

¹F: Univariate model: χ² (2γ) = 8.67, P = 0.013. Harrell's c = 0.57. Stage-inclusive model: P = 0.341 for Lauren classification. CI: Confidence intervals; HR: Hazard ratio.