Poorly differentiated cluster grade-a vital predictor for lymph node metastasis and oncological outcomes in patients with T1 colorectal cancer: a retrospective study

Table 7 Multivariate survival analyses of T1 colorectal cancer patients

Parameters	OS		DFS
Parameters	HR (95% CI)	P	HR (95% CI)	P
PDC grade		0.015		0.048
G 1	Reference		Reference
G 2	4.315 (1.506, 12.568)	0.007	2.389 (0.605, 9.439)	0.214
G 3	5.049 (1.326, 19.222)	0.018	6.621 (1.472, 29.786)	0.014
Depth of submucosal invasion		0.353		0.543
> 1 mm	Reference		Reference
≤ 1 mm	0.614 (0.220, 1.718)		0.666 (0.180, 2.468)

OS overall survival, DFS disease-free survival, HR hazard ratio, CI confidence interval, PDC poorly differentiated cluster

ISSN: 1471-230X