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Table 1 Comparison of clinical data between groups 1 and 2

From: One-stage freehand minimally invasive pedicle screw fixation combined with mini-access surgery through OLIF approach for the treatment of lumbar tuberculosis

  Group 1 Group 2 P value
Age (years) 53 ± 16 54 ± 16 0.686
Gender
 Female 8 8 0.682
 Male 14 18  
Level
 L1–L2 4 5 0.998
 L2–L3 3 4  
 L3–L4 5 5  
 L4–L5 8 10  
 L5–S1 2 2  
Duration of operation (min) 185 ± 14 171 ± 12 0.000
Blood loss (ml) 165 ± 73 873 ± 318 0.000
Stay at hospital (days) 6(4–8) 12(8–15) 0.000
Follow-up period (months) 20 ± 2 20 ± 2 0.839