Clinical Study
Medial Calcar Support and Radiographic Outcomes of Plate Fixation for Proximal Humeral Fractures
Table 1
Characteristics among 2-group patients with proximal humerus fracture.
| Variables | Group 1 | Group 2 | value† | ( = 36) | ( = 53) |
| Age, mean years (SDa) | 66.8 (10.0) | 66.3 (11.6) | 0.815‡ | Female gender | 28 (77.8) | 43 (81.1) | 0.699 | Right side lesion | 16 (44.4) | 24 (45.3) | 0.935 | AOb/OTAc type | | | — | A | 22 (61.1) | 15 (28.3) | | B | 13 (36.1) | 27 (50.9) | | C | 1 (2.8) | 11 (20.8) | | Neer type | | | — | 2 parts | 22 (61.1) | 16 (30.2) | | 3 parts | 13 (36.1) | 25 (47.2) | | 4 parts | 1 (2.8) | 12 (22.6) | | Shoulder dislocation | 4 (11.1) | 4 (7.5) | 0.710 | Timely operationd | 10 (27.8) | 21 (39.6) | 0.250 | Locked plating | 15 (41.7) | 22 (41.5) | 0.988 | Follow-up, mean months (SD) | 26.4 (12.8) | 27.4 (13.4) | 0.729‡ | Comorbidity | | | | Diabetes mellitus | 12 (33.3) | 16 (30.1) | 0.754 | Arterial hypertension | 17 (47.2) | 29 (54.7) | 0.487 | Coronary heart disease | 4 (11.1) | 4 (7.5) | 0.710 | Stroke | 3 (8.3) | 3 (5.7) | 0.683 | Chronic kidney disease | 9 (25.0) | 15 (28.3) | 0.730 | Chronic liver diseas | 3 (8.3) | 14 (26.4) | 0.033 |
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Note: data are number (%) of lesions, unless otherwise indicated. Pearson chi-square test, unless otherwise stated; independent -test. SD: standard deviation; bAO: arbeitsgemeinschaft für osteosynthesefragen; cOTA: orthopaedic trauma association; dtimely operation: operation performed <8 hours after fracture. Statistical significance ( < 0.05).
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