Table 1.

The correlation between TDO2 expression and clinical pathological characteristics in cutaneous squamous cell carcinoma

Characteristics		TDO2 Expression Levels		p value
		Low (n = 15)	High (n = 15)
Gender	Male	6	8	0.464
	Female	9	7
Age	< 65	2	3	0.624
	≥ 65	13	12
Maximum Tumor Diameter	< 2 cm	10	9	0.705
	≥ 2 cm	5	6
Tumor Location	Head and Neck	10	11	0.690
	Trunk and Limbs	5	4
Depth	< 6 mm	9	S	0.713
	≥ 6 mm	6	7
Degree of Differentiation	High Differentiation	13	4	< 0.05*
	Medium–low Differentiation	2	11

^*p < 0.05