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Association of considered covariates with Doppler status
| Variables | Doppler (Positive) (n = 41) | Doppler (Negative) (n = 22) | p-value |
|---|---|---|---|
| Age (years) | |||
| <=50 (n = 20) | 11 | 9 | |
| >50 (n = 43) | 30 | 13 | 0.271 |
| Ulcer | |||
| No (n = 49) | 28 | 21 | |
| Yes (n = 14) | 13 | 1 | 0.023 |
| Thickness (mm) | |||
| <=1.5 (n = 41) | 20 | 21 | |
| >1.5 (n = 22) | 21 | 1 | 0.000 |
| Clark’s level category | |||
| 1 (I/II/III) (n = 38) | 17 | 21 | |
| 2 (IV/V) (n = 25) | 24 | 1 | 0.000 |
