Table 3.
Logistic regression model: factors influencing positive CovPCR
| Variable | COVID-19 negative (n = 330) n (%) |
COVID-19 positive (n = 40) n (%) |
Adjusted OR (95% CI) |
P-value |
|---|---|---|---|---|
| First grade contact (has symptoms) | 58 (17.5) | 14 (35.0) | 5.16 (1.72–15.51) | 0.002 |
| First grade contact (has no symptoms) | 27 (11.2) | 13 (32.5) | 12.55 (3.97–39.67) | < 0.001 |
| Free capacity/other | 125 (37.9) | 7 (17.5) | 1.50 (0.46–4.87) | 0,497 |
| agea | 46,4 (19.7) | 52,4 (23.5) | 1.02 (1.00–1.04) | 0,019 |
| GP expects positive result | 97 (29.4) | 20 (50.0) | 1.98 (0.90–4.38) | 0.092 |
| chills | 20 (6.1) | 5 (12.5) | 2.80 (0.83–9.43) | 0.117 |
| Anosmia | 22 (6.7) | 7 (17.5) | 4.54 (1.51–13.67) | 0.011 |
| sore throat | 118 (35.8) | 5 (12.5) | 0.33 (0.11–0.97) | 0.029 |
OR Odds ratio, CI Confidence intervals. Patients with missing age (n = 4) were excluded
amean value (standard deviation); Nagelkerke R2 0.265