Table 1.
Baseline characteristics and co-morbidities
| Rutherford grade 5 | Rutherford grade 6 | |||||||
|---|---|---|---|---|---|---|---|---|
| DM+ | DM− | All | P | DM+ | DM− | All | P | |
| Patients, n (%) | 3061 (44.3) | 3855 (55.7) | 6916 (100.0) | 4108 (48.8) | 4308 (51.2) | 8416 (100.0) | ||
| Male sex (%) | 1795 (58.6) | 1708 (44.3) | 3503 (50.7) | <0.001 | 2551 (62.1) | 2148 (49.9) | 4699 (55.8) | <0.001 |
| Age, mean ± SD | 73.8 ± 10.8 | 77.0 ± 11.2 | 75.6 ± 11.1 | <0.001 | 73.3 ± 11.2 | 76.5 ± 12.1 | 74.9 ± 11.8 | <0.001 |
| Hypertension (%) | 2172 (71.0) | 2514 (65.2) | 4686 (67.8) | <0.001 | 2860 (69.9) | 2577 (59.8) | 5437 (64.6) | <0.001 |
| Obesity (%) | 361 (11.8) | 186 (4.8) | 547 (7.9) | <0.001 | 427 (10.4) | 178 (4.1) | 605 (7.2) | <0.001 |
| Dyslipidemia (%) | 834 (27.2) | 836 (21.7) | 1670 (24.1) | <0.001 | 922 (22.4) | 752 (17.5) | 1674 (19.9) | <0.001 |
| Smoking (%) | 140 (4.6) | 293 (7.6) | 433 (6.3) | <0.001 | 180 (4.4) | 328 (7.6) | 508 (6.0) | <0.001 |
| CKD (%) | 1179 (38.5) | 960 (24.9) | 2139 (30.9) | <0.001 | 1637 (39.8) | 1160 (26.9) | 2797 (33.2) | <0.001 |
| CAD (%) | 884 (28.9) | 851 (22.1) | 1735 (25.1) | <0.001 | 1218 (29.6) | 974 (22.6) | 2192 (26.0) | <0.001 |
| CHF (%) | 512 (16.7) | 551 (14.3) | 1063 (15.4) | 0.005 | 766 (18.6) | 704 (16.3) | 1470 (17.5) | 0.005 |
| Malignancies (%) | 55 (1.8) | 87 (2.3) | 142 (2.1) | 0.180 | 103 (2.5) | 137 (3.2) | 240 (2.9) | 0.064 |
Characteristics and co-diagnoses of Rutherford grade 5 and Rutherford grade 6 patients with and without diabetes (DM+/DM−). Data are given as patient numbers and percentages related to the respective subgroup. Statistical significance was tested via contingency table, p values <0.05 are considered significant
Italic values are statistically significant
DM diabetes mellitus; CKD chronic kidney disease; CAD coronary artery disease; CHF chronic heart failure