Table 2.
Logistic regression model for predicting EBV-IM using only H&P factors (model 1).
| Odds ratio [95% CI] | p-value | |
|---|---|---|
| Age | ||
| <31 years | 1 | N/A |
| 31–40 years | 0.31 [0.094–1.04] | 0.057 |
| >40 years | 0.13 [0.027–0.65] | 0.013 |
| Interval from onset to visit (days) | 0.91 [0.85–0.99] | 0.021 |
| Cervical lymphadenopathy | 11.01 [2.46–49.19] | 0.002 |
| Pharyngitis | 2.82 [0.77–10.30] | 0.12 |
| Headache | 0.48 [0.16–1.38] | 0.17 |
| Facial edema | 1 | N/A |
| Tonsillar white coat | 4.53 [1.02–20.19] | 0.047 |
| Abdominal tenderness | 1.23 [0.20–7.60] | 0.82 |
| Classical triad | 0.31 [0.042–2.27] | 0.25 |
CI, confidence interval; EBV-IM, infectious mononucleosis caused by the Epstein-Barr virus; H&P, history and physical examinations; N/A, not applicable.