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Table 2 VAS pain assessments of two groups

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

Group Preoperative Postoperative 1-month 2-month 3-month 6-month 12-month
1 8 (6–10) 3 (2–5) 1 (0–2) 1 (0–2) 1 (0–2) 1 (0–2) 1 (0–2)
2 8 (7–10) 6 (5–7) 3 (2–4) 3 (2–4) 2 (2–3) 3 (2–4) 3 (2–4)
P value 0.257 0.000 0.000 0.000 0.000 0.000 0.000