Skip to main content

Advertisement

Table 4 Reliability of assessment between reviewers in the first and the second screening

From: Estimating the incidence of adverse events in Portuguese hospitals: a contribution to improving quality and patient safety

Question Screening K statistic CI 95% p-value
Presence of one or more positive criteria in the medical record analyzed Screening 1 0.63 (83.5% agreement) (0.43; 0.79) < 0.001
AE confirmed by physician Screening 2 0.78 (89% agreement) (0.49; 1) < 0.001
Level of preventability (scale 1–6) Screening 2 0.58 (79% agreement) (0.23; 0.94) 0.009