Risk factors for SND were epidural abscess [adjusted odds ratio, aOR 8.9 (3.8–21)], cervical [aOR 8.2 (2.8–24)], and/or thoracic involvement [aOR 14.8 (5.6–39)], S. aureus PVO [aOR 2.5 (1.1–5.3)], and CRP >150 mg/L [aOR 4.1 (1.9–9)] (Table 2). Here, CRP is linked to epidural abscess.