Rates of inappropriate laboratory testing, 1997-2012.
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Subgroup Summary Statistics.aP for stratum differences is meaningful only when there is a natural ordering for categories. P for difference of means: chemistry vs. hematology, P = 0.05; chemistry vs. microbiology, P = 0.65; chemistry vs. molecular, P = 0.17; hematology vs. microbiology, P = 0.43; hematology vs. molecular, P = 0.07; microbiology vs. molecular, P = 0.19.
创建时间：
2015-12-02
