医学
再现性
克朗巴赫阿尔法
结构效度
人口
比例(比率)
疤痕
评定量表
物理疗法
患者满意度
外科
心理测量学
临床心理学
统计
地图学
环境卫生
数学
地理
作者
Stefano Vercelli,Giorgio Ferriero,Elisabetta Bravini,Valeria Stissi,Matteo Ciceri,Sára Rossetti,Sara Bianchi,Francesco Sartorio
摘要
ABSTRACT The Patient and Observer Scar Assessment Scale ( POSAS ) is one of the most robust instruments to assess scar quality, but there is no Italian version, and no other competing instruments are available in Italian. The aim of this study was to translate and validate an Italian version of POSAS ( POSAS ‐I). POSASv2 .0 was culturally adapted in accordance with international standards. The psychometric assessment included acceptability/feasibility, internal consistency, reproducibility, construct validity and sensitivity to change. Cultural equivalence of POSAS ‐I with the English version was confirmed. The validation study included 102 subjects with surgical scars. Both subscales demonstrated acceptable internal consistency (Cronbach's α = 0·72–0·80). Reproducibility of the OSAS ‐I ( ICCs = 0·93–0·94; SEM = 1·8 points; MDC 95 = 5·1 points) was superior to that of PSAS ‐I ( ICC = 0·65; SEM = 5·7 points; MDC 95 = 15·7 points). OSAS ‐I showed moderate to good correlations with the Vancouver Scar Scale ( VSS ), Global Rating of Change Scale ( GRCS ) and PSAS ‐I. Sensitivity to change was large for PSAS ‐I (effect size = 1·08; standardised response mean = 0·96) and moderate to large for OSAS ‐I ( ES = 0·69; SRM = 0·92). This study confirmed that POSAS ‐I can be used to assess patients with surgical scars in the Italian population. OSAS ‐I is useful for clinical and research purposes, while PSAS ‐I should be better used to capture patients' own opinions and symptoms in clinical settings.
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