The Effect of Long-Term Traditional Chinese Medicine Treatment on Survival Time of Colorectal Cancer Based on propensity Score Matching: A Retrospective Cohort Study

Table 2

Comparison of progression-free survival of CRC patients [Case (%)].

Group	Cumulative recurrence/survival rate (%)
	1-year	2-year	3-year	4-year	5-year	6-year
TCM	17/94.0	67/76.1	101/64.7	120/57.9	137/52.0	159/44.1
Control	52/78.6	94/61.4	118/51.7	144/40.8	163/33.0	173/29.1
χ^2	27.296	13.307	9.048	15.038	18.791	12.845
	<0.01	<0.01	<0.01	<0.01	<0.01	<0.01