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Table 4 Comparison of the VAS and Cobb angle before and after surgery in the two groups (\( \overline{x} \)±s)

From: A comparative study to evaluate the feasibility of preoperative percutaneous catheter drainage for the treatment of lumbar spinal tuberculosis with psoas abscess

Groups Cases (n) VAS scoring Cobb angle (°)
Before surgery 1 month after surgery Before surgery 1 month after surgery
A 36 8.4 ± 0.8 3.2 ± 0.7 18.5 ± 5.5 11.3 ± 4.7
B 32 8.3 ± 0.7 3.5 ± 0.2 17.9 ± 6.1 10.9 ± 5.1
Statistic   0.016 1.725 1.062 0.283
P value   0.984 0.087 0.300 0.630
  1. VAS visual analog scale