Table 4.

Factors associated with relapse in patients with pyogenic vertebral osteomyelitis by means of multiple logistic regression analysis

Risk factors	RR (treatment failure)	p value	95% CI
Older age	1.069	0.144	0.978–1.168
Longer symptom duration	0.994	0.357	0.981–1.007
Male (vs. female)	0.42	0.418	0.051–3.428
Newly diagnosed (vs. referred patients)	1.283	0.802	0.184–8.959
With comorbidity	22.727	0.017	1.751–333.333
With abscess	1.08	0.944	0.129–9.011
Identified organism	2.66	0.462	0.196–35.714