TABLE 1.

The cox regression analysis of two clusters.

	Univariate			Multivariate
	HR	95% CI	P value	HR	95% CI	P value
Age	1.03	1.02–1.05	0.00	1.04	1.02–1.05	0.00
Gender	0.96	0.69–1.32	0.79	1.10	0.78–1.55	0.57
Grade	2.33	1.88–2.88	0.00	1.56	1.23–1.98	0.00
Stage	1.94	1.69–2.22	0.00	1.79	1.22–2.63	0.00
T	1.99	1.68–2.36	0.00	0.84	0.59–1.21	0.35
N	3.56	1.88–6.77	0.00	1.79	0.91–3.50	0.09
M	4.41	3.20–6.07	0.00	1.14	0.63–2.05	0.67
Cluster	1.41	1.03–1.91	0.03	1.43	1.03–1.98	0.03

HR, hazard rate; CI, confidence interval.