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Diagnostic sensitivity (Sn) and specificity (Sp) of the RBD protein iELISA for detecting SARS-CoV-2-specific antibodies in the cat serum samples.
| iELISA | Positive | Negative | Total |
|---|---|---|---|
| (number) | |||
| Positive (number) | 43 (Sn = 95.6%) | 1 | 44 |
| Negative (number) | 2 | 21 (Sp = 95.5%) | 23 |
| Predictive value | 97.7% | 91.3% |
