Table 2. Comparison of plasma markers between case and control group.

Index	Groups	N	Mean	SD	t	P value
CEA (ng/mL)	Controls	59	4.601	8.143	1.617	0.109
	Cases	59	6.931	7.480
CYFRA21-1 (ng/mL)	Controls	59	5.892	6.028	2.363	0.020
	Cases	59	8.896	7.681
SCC (ng/mL)	Controls	59	1.157	0.717	0.222	0.825
	Cases	59	1.125	0.840
MicroRNA-210	Controls	59	2.829	2.503	3.669	<0.001
	Cases	59	4.836	3.374
MicroRNA-486	Controls	59	1.746	0.892	6.697	<0.001
	Cases	59	2.778	0.778
MicroRNA-126	Controls	59	2.676	1.797	1.375	0.172
	Cases	59	3.095	1.494
MicroRNA-150	Controls	59	1.167	0.726	1.469	0.145
	Cases	59	0.984	0.629
MicroRNA-155	Controls	59	0.046	0.024	1.434	0.154
	Cases	59	0.054	0.031
MicroRNA-205	Controls	59	0.044	0.026	1.413	0.160
	Cases	59	0.052	0.032
MicroRNA-21	Controls	59	1.280	0.611	0.836	0.405
	Cases	59	1.193	0.508
MicroRNA-26b	Controls	59	2.113	1.463	1.170	0.245
	Cases	59	1.842	1.003
MicroRNA-34a	Controls	59	1.386	0.705	0.764	0.446
	Cases	59	1.474	0.542
MicroRNA-451	Controls	59	1.113	0.385	0.460	0.646
	Cases	59	1.075	0.509