Medial Calcar Support and Radiographic Outcomes of Plate Fixation for Proximal Humeral Fractures

Table 2

Subgroup outcome analysis.

Variables	Group 1	Group 2	value^†
	( = 36)	( = 53)
Nonunion	0 (0.0)	5 (9.4)	0.078
Screw penetration	2 (5.6)	4 (7.5)	0.644
Redisplacemen	11 (30.6)	27 (50.9)	0.050
Osteonecrosi	3 (8.3)	17 (32.1)	0.008
Conversion arthroplasty	0 (0.0)	3 (5.7)	0.269

Note: data are number (%) of lesions, unless otherwise indicated.
Pearson chi-square test, unless otherwise stated.
Statistical significance ( < 0.05).