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. 2019 Apr 3;20:192. doi: 10.1186/s13063-019-3287-6

Table 4.

Predictions made by trial managers with ≥ 2 years or more experience

Actual Yes
(met target)
Actual No
(missed target)
Total
Predicted Yes 21 7 28
Predicted No 5 5 10
Total 26 12 38
Positive predictive value (%) 75 Negative predictive value (%) 50
Sensitivity (%) 81 Specificity (%) 42