| Odds ratio | Confidence interval | P-value |
---|---|---|---|
Pain (NRS) | Â | Â | Â |
 1 | 0 | 0 | 0.998 |
 2 | 0.17 | 0.30–1.27 | 0.190 |
 3 | 1.52 | 0.87–2.65 | 0.145 |
 4 | 2.37 | 1.39–4.06 | 0.002 |
 5 | 4.11 | 2.55–6.63 | <0.001 |
 6 | 7.55 | 4.01–14.21 | <0.001 |
 7 | 12.80 | 7.06–23.20 | <0.001 |
 8 | 28.08 | 13.18–59.84 | <0.001 |
 9 | 43.64 | 9.90–192.29 | <0.001 |
 10 | 33.21 | 12.32–89.51 | <0.001 |
Leg ulcer diagnosis | Â | Â | Â |
 Venous | 0.96 | 0.69–1.34 | 0.795 |
 Arterial | 2.41 | 1.45–3.99 | 0.001 |
 Venous-arterial | 1.92 | 1.12–3.26 | 0.017 |
Age groups | Â | Â | Â |
 70–79 years | 1.11 | 0.60–2.05 | 0.747 |
  ≥ 80 years | 1.39 | 0.77–2.49 | 0.273 |
Sex | Â | Â | Â |
 Woman | 0.96 | 0.70–1.31 | 0.782 |