Table 6.

Means and 95% CI for DFS and OS in patients with stage II and III CRC

Stage	Score	Mean disease-free survival time(months)				Mean overall survival time(months)
		Estimate	Std. Error	95% Confidence Interval		Estimate	Std. Error	95% Confidence Interval
				Lower Bound	Upper Bound			Lower Bound	Upper Bound
II	0	90.943	2.626	85.795	96.09	93.883	2.362	89.254	98.513
	1	85.274	3.157	79.087	91.461	84.755	3.063	78.752	90.758
	2	81.966	4.531	73.085	90.846	83.354	4.143	75.234	91.475
	3	57.824	6.967	44.169	71.478	61.525	7.105	47.6	75.45
	4	63	12.325	38.843	87.157	60.116	11.137	38.288	81.945
	Overall	85.403	1.853	81.771	89.036	86.208	1.754	82.77	89.646
III	0	77.497	4.579	68.522	86.472	81.298	4.236	72.995	89.601
	1	67.027	4.919	57.385	76.668	68.136	4.337	59.635	76.636
	2	60.782	4.692	51.586	69.978	59.778	4.232	51.484	68.073
	3	46.062	6.206	33.898	58.227	43.123	5.413	32.514	53.732
	4	28.489	7.276	14.228	42.75	29.319	6.052	17.457	41.181
	Overall	65.997	2.616	60.869	71.124	65.769	2.407	61.051	70.488
Overall	Overall	77.608	1.58	74.51	80.706	77.8	1.492	74.875	80.725