Table 2.

Multivariate analysis of factors associated with lung metastasis survival of patients with SACC

Clinical variables	HR	95% CI	P value
Gender (male vs female)	1.4	0.7-1.9	0.35
Age (≥50 vs <50 )	0.9	0.6-1.5	0.21
Tumor size (≥3 cm vs <3 cm)	1.3	0.6-3.0	0.09
TNM stage (III+V vs I+II)	1.5	0.7-2.3	0.09
Node metastasis (N1 vs N0)	1.9	0.8-3.1	0.13
Distant metastasis (M1 vs M0)	0.8	0.6-1.7	0.13
P38 expression (high vs low)	1.6	0.9-2.8	0.08
miR-125a-5p expression (high vs low)	0.5	0.3-0.9	0.003