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Change in wound appearance (Week 0 to Week 5). Abbreviations: LFCUD, low‐frequency contact ultrasound debridement; UC, usual care; revPWAT, revised photographic wound assessment tool. *Change in wound appearance was significantly greater in the LFCUD group post‐treatment (Week 5) after controlling for baseline revPWAT score (P = <0.01)
