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. 2018 Nov 26;13(11):e0208142. doi: 10.1371/journal.pone.0208142

Table 3. Agreement on likely causality of SAEs between central adjudicators and local investigators–dichotomous analysis.

Central Adjudicators
Local Investigators Definitely not, Unlikely or Possibly Probably or Definitely Total
Definitely not, Unlikely or Possibly 1420 5 1425
Probably or Definitely 15 12 27
Total 1435 17 1452
Disagreements (%) 15 (1%) 5 (29%) 20 (1%)

Crude agreement = 1432/1452 = 99%

Unweighted kappa = 0.54 (0.49, 0.24)

21 events did not have relatedness of treatment to SAE recorded by either adjudicators or investigators (Central Adjudicators = 19, Local Investigators = 2) and so were not included in this analysis