Patient characteristics
| (A) Gastric cancer | Total (n=25) | P value | ||
| Non-DM (n=13) | DM2 (n=12) | |||
| Male/Female (n) | 9/4 | 11/1 | 0.32 | |
| Age (years) | 67.7±8.0 | 66.8±7.5 | 0.78 | |
| Body weight (kg) | 59.3±11.6 | 64.0±10.5 | 0.31 | |
| BMI (kg/m2) | 23.1±3.4 | 24.0±3.1 | 0.48 | |
| HbA1c (%) | 5.9±0.5 | 7.0±1.0 | <0.01 | |
| Fasting blood glucose (mg/dL) | 107.6±8.8 | 120.5±31.6 | 0.17 | |
| Serum insulin (µIU/mL) | 8.4±6.8 | 6.2±4.8 | 0.35 | |
| Complication (n) | Hypertension | 8 | 10 | |
| Dyslipidemia | 3 | 6 | ||
| Osteoporosis | 3 | 0 | ||
| DM treatment (n) | Insulin | (-) | 4 | |
| DPP-4 inhibitors | 9 | |||
| Sulfonylureas | 4 | |||
| α-Glucosidase inhibitors | 6 | |||
| (B) Colorectal cancer | Total (n=23) | P value | ||
| Non-DM (n=12) | DM2 (n=11) | |||
| Male/Female (n) | 8/4 | 7/4 | 0.99 | |
| Age (years) | 62.6±7.0 | 67.6±7.7 | 0.11 | |
| Body weight (kg) | 66.1±12.2 | 61.2±9.9 | 0.32 | |
| BMI (kg/m2) | 24.4±3.2 | 23.7±2.8 | 0.56 | |
| HbA1c (%) | 5.7±0.5 | 6.9±0.8 | <0.01 | |
| Fasting blood glucose (mg/dL) | 97.3±16.8 | 110.1±14.5 | 0.06 | |
| Serum insulin (µIU/mL) | 5.3±7.1 | 5.6±6.2 | 0.91 | |
| Complication (n) | Hypertension | 5 | 8 | |
| Dyslipidemia | 2 | 7 | ||
| Osteoporosis | 0 | 0 | ||
| DM treatment (n) | Insulin | (-) | 2 | |
| DPP-4 inhibitors | 7 | |||
| Sulfonylureas | 3 | |||
| α-Glucosidase inhibitors | 0 | |||
BMI, body mass index; DM, diabetes mellitus; DPP-4, dipeptidyl peptidase-4; HbA1c, hemoglobin A1c.