Table 3.

Distribution of the kappa coefficient, by variable.

Variables	N	Agreement (%)	Kappa	95% CI
Total	110	81.8	0.646	0.513-0.779
RT-PCR-positive	58	79.3	0.566	0.363-0.770
RT-PCR-negative	52	84.6	0.669	0.470-0.868
Fever or hypo-anosmia	66	77.3	0.524	0.332-0.717
No fever and no hypo-anosmia	44	88.6	0.725	0.507-0.943