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. 2011 Aug 8;12:190. doi: 10.1186/1745-6215-12-190

Table 2.

The number of forms submitted with erroneous primary data items at each submission

Number of errors
0 1 2
Submission Number 1 287 31 11
2 78 9 2
3 8 3 0
4 3 1 0

For example 287 forms were entered error free at the first submission, while four were entered for the fourth time, 3 error free and one with one error.