Table 2. Clinical characteristics of the diabetic population included in the study.
| TOTAL | Cases | Controls | p-value | ||
| N of patients | 3056 | 764 | 2292 | ||
| Gender | n(%) | 3056 (100) | 764 (100) | 2292 (100) | |
| Male | 2000 (65.5) | 500 (65.5) | 1500 (65.5) | ||
| Female | 1056 (34.5) | 264 (34.5) | 792 (34.5) | 1.000 | |
| Age at cancer in years | n (%) | 3056 (100) | 764 (100) | 2292 (100) | |
| mean (SD) | 72.0 (9.1) | 72.0 (9.1) | 72.0 (9.1)* | 0.975 | |
| Age at DM in years | n (%) | 3056 (100) | 764 (100) | 2292 (100) | |
| mean (SD) | 65.6 (9.5) | 65.6 (9.5) | 65.6 (9.5) | 0.961 | |
| Diabetes' duration in years | n (%) | 3056 (100) | 764 (100) | 2292 (100) | |
| mean (SD) | 6.4 (4.4) | 6.4 (4.4) | 6.4 (4.4) | 0.864 | |
| BMI in kg/m2 | n (%) | 2602 (85.1) | 669 (87.6) | 1933 (84.3) | |
| mean (SD) | 29.6 (4.6) | 29.3 (4.6) | 29.2 (4.6) | 0.057 | |
| Alcohol | n (%) | 3056 (100) | 764 (100) | 2292 (100) | |
| yes | 110 (3.6) | 31 (4.1) | 79 (3.4) | ||
| no | 2946 (96.4) | 733 (95.9) | 2213 (96.6) | 0.433 | |
| Tobacco | n (%) | 2932 (95.9) | 732 (95.8) | 2200 (96.0) | |
| yes/former | 1073 (36.6) | 290 (39.6) | 783 (35.6) | ||
| never | 1859 (63.4) | 442 (60.4) | 1417 (64.4) | 0.051 | |
| HbA1C† | n (%) | 2000 (65.4) | 522 (68.3) | 1478 (64.5) | |
| mean (SD) | 6.9 (1.4) | 6.9 (1.4) | 6.9 (1.4) | 0.812 | |
*
Age at day of cancer of the corresponding case.
†
At least into the 6 months previous to cancer diagnosis.
m (SD) = mean and standard deviation.
DM = Diabetes Mellitus type 2.