Table 2

 Total number of HOs obtaining maximum eight correct causes of EMD at each time point

4Hs4TsEMDAll HOsχ2
n = 68n = 51n = 119p Value
Percentages shown in parentheses.
Baseline at 1 min4 (6)2 (4)6 (5)0.63
Baseline overall4 (6)2 (4)6 (5)0.63
Study at 1 min24 (35)27 (54)51 (43)0.054
Study overall27 (40)28 (56)55 (46)0.10