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| Category | Atherosclerosis, n (%) | Buerger’s disease, n (%) | Total, n (%) | p-value |
| Category 1 | 2 (4.3) | 0 (0) | 2 (2.3) | ns |
| Category 2 | 9 (19.1) | 0 (0) | 9 (10.5) | ns |
| Category 3 | 12 (25.5) | 1 (2.6) | 13 (15.1) | ns |
| Category 4 | 6 (12.8) | 6 (15.4) | 12 (14) | ns |
| Category 5 | 18 (38.3) | 30 (76.9) | 48 (55.8) | < 0.001* |
| Category 6 | 0 (0) | 2 (5.1) | 2 (2.3) | ns |
*Statistically significant value.
