Table 3. Clinicopathological features of patients included in GEO database.

Variable	Number	Percentage
Total cases	67	100.00%
Age
<65	38	56.72%
≥65	29	43.28%
Gender
Male	27	40.30%
Female	40	59.70%
Stage
Stage i	46	68.66%
Stage ii	13	19.40%
Stage iii	5	7.46%
Stage iv	3	4.48%

GEO, Gene Expression Omnibus.