Table 2.
Characteristics significantly associated with skin tears in univariate analysis
| Characteristic | Cases N = 151 | Controls N = 302 | Odds ratio (CI) | P value |
|---|---|---|---|---|
| Age | 80 years | 74 years | 1·06 (1·04–1·08) | <0·0001 |
| Chronic obstructive pulmonary disease | 37·1% | 25·8% | 1·69 (1·11–2·57) | 0·0138 |
| Dementia diagnosis | 9·9% | 17·2% | 1·89 (1·07–3·32) | 0·0281 |
| Cognitive impairment assessed | 28·5% | 17·2% | 0·52 (0·32–0·83) | 0·0060 |
| Diabetic complications | 20·5% | 9·9% | 2·22 (1·25–3·94) | 0·0065 |
| Malignant lymphoma | 6·0% | 2·0% | 3·13 (1·09–8·95) | 0·0337 |
| Myocardial infarction | 36·4% | 25·8% | 1·65 (1·08–2·50) | 0·0201 |
| Vascular disease other | 10·9% | 22·5% | 2·37 (1·40–4·01) | 0·0013 |
| Senile purpura | 74·2% | 23·2% | 0·10 (0·07–0·17)* | <0·0001 |
| Ecchymosis | 64·9% | 8·9% | 0·05 (0·03–0·09)* | <0·0001 |
| Haematoma | 70·2% | 30·6% | 0·18 (0·12–0·29)* | <0·0001 |
| Paper‐thin skin | 86·1% | 45·0% | 0·13 (0·08–0·22)* | <0·0001 |
| Healed skin tear | 48·3% | 6·3% | 0·07 (0·04–0·13)* | <0·0001 |
| Wrinkly, furrowed loose skin | 83·4% | 60·9% | 0·30 (0·19–0·50)* | <0·0001 |
| Dry skin | 74·8% | 52·6% | 0·37 (0·24–0·57)* | <0·0001 |
| Bulla | 11·9% | 4·6% | 0·35 (0·17–0·74)* | <0·0001 |
| Oedema | 37/7% | 16·9% | 0·33 (0·22–0·52)* | <0·0001 |
| Macerated | 6·6% | 1·7% | 0·23 (0·08–0·71)* | 0·0099 |
| Able to reposition | 31·8% | 60·9% | 3·34 (2·21–5·06)* | <0·0001 |
| Contractures | 4·0% | 0·7% | 0·16 (0·03–0·81) | 0·0265 |
| Dark skin | 7·9% | 2·0% | 0·23 (0·07–0·77) | 0·0181 |
CI, confidence interval.
*
Effect of No versus Yes.