Comparison of the mean reduction in Pressure Ulcer Scale for Healing scores for both cohorts for 2 weeks immediately after the start of observations, between 2–4 weeks, 4–6 weeks, 6–8 weeks, 8–10 weeks and 10–12 weeks, respectively
| 0–2 weeks | 2–4 weeks | 4–6 weeks | 6–8 weeks | 8–10 weeks | 10–12 weeks | |
| n | 54 | 45 | 34 | 25 | 18 | 11 |
| Control, mean (95% CI) | 1.8 (1.0 to 2.6) | 0.4 (0.0 to 0.9) | 0.7 (0.1 to 1.3) | 0.8 (0.1 to 1.5) | 0.3 (−0.1 to 0.7) | 1.0 (0.1 to 1.9) |
| Wrap therapy, mean (95% CI) | 1.8 (1.0 to 2.6) | 0.4 (−0.2 to 1.0) | 0.1 (−0.4 to 0.6) | 0.3 (−0.2 to 0.8) | 0.4 (−0.2 to 1.0) | 0.5 (−0.1 to 1.1) |
| p Value* | 0.77 | 0.44 | 0.24 | 0.43 | 0.79 | 0.54 |
↵* Tested by Mann–Whitney U test.