1|13.1071436.1904304 23.9285714.8222369 Tota1|18.5178577.7482926 picross outcome sequence variable sequence treatment variable treat carryover variable = carry a varl d Analysis of variance(ANOVA) for a 2x2 crossover stud Source of Variation Partial F Prob >F Intersub jects Sequence effect 0.871 0.87 0.8741 Residuals 888.61 26 34.18 1.19 0.3326 Intrasub jects Treatment effect 1639 0.0000 Period effect 24.451 0.3653 Residuals 748.6126 -+- Total 3301.9855 Omnibus measure of separability of treatment and carryover 29 2893% 方差分析结果表明: 1.不同顺序间效应的差异无统计学意义(F=0.03,P=0.8741),表明无延滞效 应 2.不同时期间效应的差异无统计学意义(F=0.85,P=0.3653),表明处理的效 应不随时期而变化。 3.不同处理间的差异有统计学意义(F=56.94,P<0.0001),说明A药物与B 药物降压是有差别的。 4.个体(顺序)的差异无统计学意义(F=1.19P=0.3326),说明个体之间没 有差异。1 | 13.107143 6.1904304 28 2 | 23.928571 4.8222369 28 ------------+------------------------------------ Total | 18.517857 7.7482926 56 . pkcross outcome sequence variable = sequence period variable = period treatment variable = treat carryover variable = carry id variable = id Analysis of variance (ANOVA) for a 2x2 crossover study Source of Variation | Partial SS df MS F Prob > F ----------------------+-------------------------------------------------- Intersubjects | Sequence effect | 0.87 1 0.87 0.03 0.8741 Residuals | 888.61 26 34.18 1.19 0.3326 ----------------------+-------------------------------------------------- Intrasubjects | Treatment effect | 1639.45 1 1639.45 56.94 0.0000 Period effect | 24.45 1 24.45 0.85 0.3653 Residuals | 748.61 26 28.79 ----------------------+-------------------------------------------------- Total | 3301.98 55 Omnibus measure of separability of treatment and carryover = 29.2893% 方差分析结果表明： 1. 不同顺序间效应的差异无统计学意义（F=0.03,P=0.8741）,表明无延滞效 应。 2. 不同时期间效应的差异无统计学意义（F=0.85,P=0.3653）,表明处理的效 应不随时期而变化。 3. 不同处理间的差异有统计学意义（F=56.94，P<0.0001）,说明A药物与B 药物降压是有差别的。 4. 个体（顺序）的差异无统计学意义（F=1.19,P=0.3326），说明个体之间没 有差异