Table 2.

Study results of administrative database with ICD 10th code of colorectal cancer with evidence of pathologic finding. We classified these subjects by pathologic findings

Variable	Adenocarcinoma	Squamous cell carcinoma	Total
Total	6,693 (99.04)	65 (0.96)	6,758
Diagnosis in SNUBH	6,596 (99.08)	61 (0.92)	6,657
Diagnosis in other hospital	97 (96.04)	4 (3.96)	101
Sex (male : female)	3,999 : 2,594	39 : 26
Mean age at diagnosis	61.96 ± 12.06	35.14 ± 8.03

Values are presented as number (%) or mean ± SD. ICD, International Classification of Disease; SNUBH, Seoul National University Bundang Hospital.