Table 1.

Characteristics of stage III colorectal cancer patients according to the presence or absence of pre‐existing diabetes mellitus

	All	Without DM	With DM
No. patients	6,344	5,078	1,266
Men (%)	53.0	50.8	61.9
Age in years, mean (SD)	68.8 (11.6)	68.2 (12.0)	71.3 (9.7)
Type of hospital
Designated Cancer Care Hospitals (%)	91.5	91.5	91.6
Other hospitals (%)	8.5	8.5	8.4
Updated Charlson Comorbidity Index, mean (SD)	0.80 (1.75)	0.81 (1.78)	0.77 (1.60)
Congestive heart failure (%)	2.9	2.4	4.7
Dementia (%)	1.0	1.0	1.3
Chronic pulmonary disease (%)	2.8	2.9	2.2
Rheumatologic disease (%)	0.6	0.5	0.8
Mild liver disease (%)	3.9	3.8	4.6
Diabetes with chronic complications (%)	1.9	0	9.4
Hemiplegia or paraplegia (%)	0.03	0.04	0
Renal disease (%)	0.9	0.8	1.3
Any malignancy, including leukemia and lymphoma (%)	7.7	7.7	7.8
Moderate or severe liver disease (%)	0.09	0.10	0.08
Metastatic solid tumor (%)	7.7	8.1	6.1
AIDS/HIV (%)	0.06	0.06	0

AIDS/HIV, acquired immunodeficiency syndrome/human immunodeficiency virus; CRC, colorectal cancer; DM, diabetes mellitus; SD, standard deviation.