Table 4
The Fleiss’s kappa index for each group
Kappa (95% CI)
P
Doctors
0.91 (0.904 to 0.914)
<0.0001
Nurses
0.81 (0.804 to 0.815)
<0.0001
Patients
0.69 (0.684 to 0.694)
<0.0001
All
0.79 (0.792 to 0.796)
<0.0001