Additional file 1: of Aiming for a representative sample: Simulating random versus purposive strategies for hospital selection
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Comparison of prediction errors for the five sampling strategies, for n = 18 (n = 6 per hospital type). File legend: LARG = largest hospitals, MAXVAR = maximum variation in number of RBCs, RAND = random, REGVAR = regional variation, 2REG = two regions, RBC = red blood cell products, FFP = fresh frozen plasma products, PLT = platelet products. Output for RAND, REGVAR and 2REG is accompanied by 95 % centiles. Description: These show the prediction errors for n = 18 in a similar table as for n = 12. (XLSX 10 kb)
创建时间：
2016-12-15
