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. 2008 Sep;29(5):631–634. doi: 10.1016/j.cct.2008.02.005

Table 4.

Number of participant recruited within centres for 3 example surgical trials

Example trial Number of participants recruited — median (IQR)
p value
1st half of recruitment period 2nd half of recruitment period
1 30 (11, 44) 21 (6, 45) 0.052
2 8 (4, 19) 6 (2, 23) 0.122
3 10 (6, 14) 5 (1, 11) 0.022