Table 1. Patient demographics and tumor characteristics.

Characteristic	Types	N	Age (years)	P value	Sex	P value
WHO classification
Low risk thymoma	A	2	60 [27–76]	0.433*	Male 9; female 19	0.001#
	AB	13
	B1	13
High risk thymoma	B2	11	65 [31–81]		Male 3; female 14
	B3	6
Thymic carcinoma		16	62.5 [30–79]		Male 12; female 4
Total		61	59 [27–81]		Male 24; female 37
Comorbidities in patients with thymoma
Myasthenia gravis		11
Rheumatoid arthritis		1
Systemic sclerosis		1

Data are presented as the number or the mean [range]. *, there were no significant differences in the distribution of age between thymoma (low risk and high risk) and thymic carcinoma; ^#, there was a significant difference in the distribution of sex between thymoma (low risk and high risk) and thymic carcinoma. WHO, World Health Organization.