Table 1.

Univariate and multivariate analyses for overall survival

Characteristic	Univariate analysis		P	Multivariate analysis		P
	RR	95 % CI		RR	95 % CI
Sex
Male/female	0.586	0.215–1.593	0.288
Lesion
Colon/rectum	0.783	0.288–2.129	0.626
Differentiation
tub1, tub2/muc, por	0.302	0.084–1.933	0.173
Tumor size
≤35 mm/>35 mm	0.566	0.130–1.756	0.347
Depth
T1, T2/T3, T4	<0.0001	0.386–0.386	0.003*	<0.0001	<0.0001–2.574	0.192
Lymph node metastasis
Negative/positive	0.156	0.036–0.483	0.001*	1.852	0.409–6.243	0.383
Lymphatic permeation
Negative/positive	0.064	0.004–0.315	<0.0001*	0.103	0.006–0.537	0.004*
Venous permeation
Negative/positive	0.277	0.064–0.861	0.025*	0.890	0.196–2.999	0.860
Stage
I, II/III, IV	<0.0001	0.0968–0.0968	<0.0001*	<0.0001	<0.0001–0.218	0.002*
miR-132 expression
Low/high	7.255	2.026–46.207	0.001*	3.838	1.054–24.683	0.040*

RR relative risk, CI confidence interval

* Statistically significant