Table 3.

Estimations derived from multivariate logistic regression analysis performed on adult periodic fever, aphthous stomatitis, pharyngitis, and cervical adenitis (PFAPA) patients and patients with fever of unknown origin, representing the control group.

Clinical variable	p-Value	OR	95% CI
Erythematous pharyngitis	<0.0001	231	14.463–3,715.288
Cervical lymphadenitis	<0.0001	92	8.865–953.279
Increased inflammatory markers during attacks	0.001	588	3,534.3–40,879.463
Symptom-free intervals	<0.0001	1202	12.631–27,937.885

CI, confidence interval; OR, odds ratio.