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Table 4 Findings of magnetic resonance imaging

From: Comparison of gram-negative and gram-positive hematogenous pyogenic spondylodiscitis: clinical characteristics and outcomes of treatment

Variable (No. [%]) GNB (n = 17) GPC (n = 37) p
Back muscle abscess 6 (35) 11 (30) 0.683
Epidural abscess 7 (41) 27 (73) 0.024*
Patient number in lumbar region n = 15 n = 30  
 Psoas muscle abscess 12 (80) 21 (70) 0.755
  Single involvement 3 (25) 6 (29)  
  Bilateral involvement 9 (75) 15 (71)  
  1. *The difference is significant (p < 0.05)