From: Clinical effect of the internal fixation for rib fracture with single utility port complete video-assisted thoracoscopic surgery
Group
n
Excellent
Good
Poor
χ2 value
P value
Study group
42
26 (61%)
14 (29%)
2 (4%)
0.302
0.860
Control group
31
21 (67%)
9 (33%)
1 (3%)