Proportion of wounds healed by PR status; relative risk of healing with PR and risk difference of healing with PR by quintile
| Group | No PR: proportion healed by 32 weeks | PR: proportion healed by 32 weeks | Relative risk of healing with PR |
|---|---|---|---|
| 1 | 46.6 (45.2–48.0) | 51.9 (47.1–56.7) | 1.14 (1.03–1.27) |
| 2 | 46.6 (45.1–48.0) | 55.0 (51.6–58.5) | 1.24 (1.16–1.34) |
| 3 | 40.4 (38.9–41.9) | 49.8 (47.0–52.7) | 1.29 (1.20–1.38) |
| 4 | 35.2 (33.7–36.7) | 49.1 (46.6–51.6) | 1.43 (1.33–1.52) |
| 5 | 31.6 (30.0–33.3) | 48.5 (46.5–50.6) | 1.59 (1.49–1.70) |
| Overall | 41.0 (40.3–41.7) | 50.0 (48.7–51.2) | 1.38 (1.33–1.42) |
Data are % (95% CI) and relative risk (95% CI).