Table 6.

Multivariate analysis of independent risk factors

Risk factor for GNB-HPS	p value	OR (95% CI)
Age	0.479
Symptoms at the initial visit	0.038*
Constitutional symptoms only/Back pain only	0.011*	9 (2.8–2666)
Malignancy	0.018*	57 (2–1563)
UTI	0.122
Risk factor for GPC-HPS
Epidural abscess	0.027*	18 (1.4–250)

*The difference is significant (p < 0.05)