Table 1
Kappa index for screening, identification and preventability of adverse events
Positive screening
Identified adverse events
Preventable adverse events
Country 1
0.62
Country 2
0.85
0.87
0.74
Country 3
0.32
Country 4
0.38
0.47
Country 5
0.55
0.30
0.27
Other studies
0.70
0.40–0.80
0.19–0.69