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Table 1 Relationships between bacteria and severity of disc degeneration

From: Latent infection of low-virulence anaerobic bacteria in degenerated lumbar intervertebral discs

  Disc degeneration total p
  Positive culture Negative culture   
Pfirrmann IV 3 15 18 0.162
Pfirrmann V 20 39 59  
Total 23* 54 77  
  1. *Three cases of suspicious contamination were excluded