Patient characteristics and health status, and pressure ulcer status at registration (n=64)
| Conventional treatment cohort (n=29) | Wrap therapy cohort (n=35) | p Value | |
| Mean age (years) | 82±10 | 81±12 | 0.60 |
| Sex (female %) | 48 | 54 | 0.28 |
| Nutrition absorption status (each %) | |||
| Oral nutrition | 52 | 49 | 0.27 |
| Enteral alimentation: nasally | 0 | 9 | |
| Enteral alimentation: gastrostoma | 38 | 40 | |
| Central venous nutrition | 10 | 3 | |
| Use of pressure-resistant diffusion mattress (percentage ‘Yes’) | 93 | 100 | 0.20 |
| Use of diapers (percentage ‘Yes’) | 90 | 91 | 0.97 |
| Depth of target pressure ulcer | |||
| NPUAP stage II (%) | 28 | 11 | 0.09 |
| NPUAP stage III (%) | 72 | 89 | |
| Pressure ulcer pockets (% present) | 38 | 34 | 0.28 |
| Calories absorbed (each %) | |||
| Over 1200 kcal | 45 | 49 | 0.58 |
| 800–1200 kcal | 45 | 37 | |
| 600–800 kcal | 10 | 9 | |
| Serum albumin (mean±SD) | 2.8±0.5 | 2.9±0.5 | 0.61 |
| Serum creatinine (mean±SD) | 0.66±0.3 | 0.64±0.3 | 0.77 |
| Braden Scale at registration (mean±SD) | 12.8±3.5 | 12.7±2.8 | 0.89 |
| Pressure Ulcer Scale for Healing score at registration (mean±SD) | 10.8±2.6 | 10.7±2.7 | 0.91 |
| Pressure ulcer surface area at registration (mean±SD) | 14±21 | 15±25 | 0.79 |
| Use of ointments or sprays including pharmaceuticals with tissue regeneration accelerant actions | 21 | 14 | 0.006 |
| Percentage using hydrocolloids, hydrogels or polyurethane foam as a pressure ulcer dressing | 76 | 3 | <0.0001 |
We used Student t test for comparison of mean values of the two groups. χ2 Test was adopted for comparisons of frequency.