[Retracted] Efficacy of Intramedullary Nailing in the Treatment of Comminuted Proximal Humeral Fractures and Its Influence on Shoulder Joint Function Recovery

Table 3

Total incidence of complications in the two groups (n (%)).

Categories	Control group (n = 28)	Research group (n = 32)	χ^2 value	value
Infection	2 (7.14)	0 (0.00)	—	—
Acromial impingement	0 (0.00)	0 (0.00)	—	—
Necrosis of the humeral head	1 (3.57)	0 (0.00)	—	—
Arthrodynia	3 (10.71)	1 (3.13)	—	—
Limitation of shoulder mobility	3 (10.71)	1 (3.13)	—	—
Total	9 (32.13)	2 (6.26)	6.687	0.010