中医脾胃系疾病PRO量表的研制和考核

被引:0
作者
王维琼
机构
[1] 广州中医药大学
关键词
中医临床疗效评价; 脾胃; 量表; 研制; PRO;
D O I
暂无
年度学位
2007
学位类型
硕士
导师
摘要
背景:传统中医药疗效评价中,指标描述的不确定,为临床疗效的客观化和量化等合理评价带来困难。现在国内流行的量表,多是国外研制或在现代医学背景下研制而成,理论基础与中医有较大差异,不足以体现中医独特疗效。目前十分缺乏有效而可信的中医脾胃系疾病的临床疗效评价方法,本研究致力于研制中医脾胃系疾病特异性量表。 方法:通过复习文献和小组讨论,在中医理论指导下,参照一般量表制定的程序化方式,制定理论模型,通过病人访谈形成条目池,优化条目并初步筛选后形成预调查表。用预调查表进行现场调查,借助专家重要性评分、离散趋势法、因子分析、逐步回归、判别分析和Cronbach’sα系数等统计学方法筛选条目,形成终量表。终量表包括生理、独立性、心理、环境4个领域,分精力与形色、疼痛与不适、消化功能、大便情况、独立性、心理、社会关系、医疗8个方面,外加一条独立条目,共44个条目。 结果:选取200例脾胃系疾病患者(对应西医疾病种类为消化性溃疡、慢性胃炎、功能型消化不良和肠易激综合征)和100例健康人进行调查,对终量表进行信度和效度考核。信度借助分半系数和Cronbach’sα系数:量表总的分半系数为0.8805,其中生理领域0.8564,独立性领域0.8545,心理领域0.6457,环境领域0.7218;量表的总Cronbach’sα系数为0.9433,生理领域、独立性领域、心理领域和环境领域的Cronbach’sα系数分别为0.9172,0.8526,0.7393,0.7951。效度借助内容效度、结构效度和区分效度:内容效度中各领域积分与总分相关系数r>0.7;生理领域除早饱、腹中重坠感外,各条目与其所属方面、领域的相关系数r>0.5;其余领域各条目与所属方面、领域相关系数r>0.7;量表模型的拟合优度指数(CFI)为0.950,四个领域亚结构的拟合优度指数分别为0.791,0.996,0.911,0.953;健康人与患者总分及各领域得分差异均具有统计学意义(P<0.01)。量表具有良好的接受率和完成率,完成时间中位数为10分钟。 结论:中医脾胃系疾病PRO量表是一个具有良好的信度和效度的疾病特异性量表,简单明了,易于接受,可用于中医脾胃系疾病的临床疗效评价。
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页数:71
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