Objective To study the relationship between Miao drum and hypertension in the Miao women of the countryside . Methods A survey of blood pressure measurement and questionnaire investigation were conducted among 1 069 Miao females ,by using cluster multistage sampling in countryside of Hunan ,Hubei ,Chongqing ,and Guizhou .A case-control analysis for 226 cases with new diagnosed hypertension and 226 controls with normal blood pressure .Results Among 1 069 sample ,the standardized prevalence rate of hypertemion was 24 .5% .There were significant differences in the prevalence rates of hypertension between the different age groups(χ2 =174 .46 ,P<0 .01) .The single factor logistic regression analysis(OR=0 .383 ,95% CI:0 .262-0 .558)and multi-conditional logistic regression analysis(OR=0 .379 ,95% CI:0 .255-0 .565)showed that Miao drum was probably protective factor for hypertension in the Miao women of the countryside .Conclusion Miao drum was probably protective factor for hyperten-sion in the Miao women of the countryside in Hunan ,Hubei ,Chongqing ,and Guizhou .Long-term adherence to participate in miao drum exercise may prevent high blood pressure .

Objective To establish core competence evaluation index system of orthopaedic specialized nurse .Methods Alto‐gether 35 experts from Class Ⅲ Grade Ⅰ hospital in Chongqing ,Beijing ,Jiangshu were consulted by a three‐round delphi survey ,and finally established the core competence evaluation index system of orthopaedic and the weight of each index .Results The core com‐petence evaluation indexes of orthopaedic specialized nurse included 4 first class indexes ,14 second class indexes and 72 third class indexes .The expert authority coefficient was 0 .833 ,the familiar coefficient was 0 .794 ,the determination coefficient was 0 .872 ,The coordination coefficient of primary and secondary and third indicators were 0 .390 ,0 .324 ,0 .308 ,respectively ,and there were statis‐tically significant differences (P< 0 .05) .Conclusion The expert opinions for the core competence evaluation indexes are consist‐ent ,the results are objective and scientific .It can provide quantitative standards for training ,examining and evaluation of orthopaedic specialized nurse .