Sig. (2-sided)Exact Sig. (2-sided)Exact Sig. (1-sided)Pearson Chi-Square1.018 Continuity Correctionb1.034 Likelihood Ratio1.016 Fisher's Exact Test .032.016Linear-by-Linear Association1.019 N of Valid Cases200 a. 0 cells (.0%) have expected count less than 5. The minimum expected count is .b. Computed only for a 2x2 table

某医师为比较中药和西药治疗慢性气管炎的疗效,随机抽取200例慢性气管炎患者分成中药组和西药组,结果见表2。试问中药和西药治疗慢性气管炎的疗效有无差别(ABCE)表2  中西药治疗慢性气管炎患者有效率的比较药　物有  效无  效合  计有效率（％）中  药95 5 100西  药8515 100合  计18020 200SPSS输出结果如下:CrosstabsCase Processing Summary Cases ValidMissingTotal NPercentNPercentNPercent药物 * 疗效200%.0%200% 药物 * 疗效 Crosstabulation   疗效Total   有效无效药物中药Count955100Expected Count% within 药物%%%西药Count8515100Expected Count% within 药物%%%TotalCount18020200Expected Count% within 药物%%% Chi-Square Tests ValuedfAsym
p. Si
g. (2-sided)Exact Si
g. (2-sided)Exact Si
g. (1-sided)Pearson Chi-Square1.018  Continuity Correctionb1.034  Likelihood Ratio1.016  Fisher's Exact Test   .032.016Linear-by-Linear Association1.019  N of Valid Cases200    
a. 0 cells (.0%) have expected count less than
5. The minimum expected count is .
b. Computed only for a 2x2 table