Table 4 Univariable and multivariable analysis—ORs for variables considered risk factors for ulcer occurrence
Variable | Univariable | Multivariable | ||||
|---|---|---|---|---|---|---|
Level | OR (95% CI) | P value | Level | OR (95% CI) | P value | |
Size category UO | Small | 1 | Small | 1 | ||
Medium | 3.8 (2.1–7.2) | < 0.001 | Medium | 3.8 (2.0–7.2) | < 0.001 | |
Large | 9.7 (5.6–17.7) | < 0.001 | Large | 9.9 (5.6–18.4) | < 0.001 | |
Reducibility | Yes | 1 | Yes | 1 | ||
Partly | 2.7 (1.2–6.3) | 0.0143 | Partly/ no | 2.4 (1.2–5.2) | 0.017 | |
No | 1.9 (1–4.1) | 0.0628 | – | – | ||
Texture UO | Soft | 1 | Soft | 1 | ||
Mix | 2 (0.9–4.1 | 0.0826 | Mix/ hard | 0.8 (0.3–1.7) | 0.087 | |
Hard | 2.2 (1.4–3.6) | < 0.001 | – | – | ||