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Table 4 VAS scoring comparison before and after surgery between the study and control groups

From: Clinical effect of the internal fixation for rib fracture with single utility port complete video-assisted thoracoscopic surgery

Group

Study group (n = 42)

Control group (n = 31)

t value

P value

Pre-operation

7.07 ± 2.26

7.42 ± 1.52

0.139

0.371

Postoperative 7th day

2.13 ± 1.35

4.38 ± 2.04

5.515

0.026

  1. Comparison before with after surgery in the study group, t = 13.396, P = 0.008
  2. Comparison before with after surgery in the control group, t = 6.813, P = 0.015