Characteristics of 160 patients with displaced 3–4-part PHF at baseline.
SE, humerus fracture
DASH, Disabilities of the Arm, Shoulder, and Hand; EQ-5D, EuroQol Group’s 5-dimension self-reported questionnaire; HA, hemiarthroplasty; LP, locking plate; OSS, Oxford Shoulder Score; PHF, proximal humerus fracture; SD, standard deviation; SE, standard error; 15D, 15-dimensional quality-of-life questionnaire.