, GwangChul Lee, M.D.
, Hyunwoong Jang, M.D.
				Department of Orthopaedic Surgery, Chosun University School of Medicine, Gwangju, Korea.
Copyright © 2017 The Korean Fracture Society. All rights reserved.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
| Variable | MIPO group | OPEN group | 
|---|---|---|
| No. of patient | 26 | 41 | 
| Mean age (yr) | 50.2±18 | 43.0±18 | 
| Sex | ||
| Male | 13 | 21 | 
| Female | 13 | 20 | 
| AO classification | ||
| A1 | 2 (7.7) | 3 (7.3) | 
| A2 | 5 (19.2) | 7 (17.1) | 
| A3 | 7 (26.9) | 5 (12.2) | 
| B1 | 1 (3.8) | 11 (26.8) | 
| B2 | 11 (42.3) | 15 (36.6) | 
Values are presented as number only, mean±standard deviation, or number (%). The sum of the percentages does not equal 100% because of rounding. MIPO: minimally invasive plate osteosynthesis, OPEN: open plate fixation.
| Variable | MIPO group | OPEN group | p-value | 
|---|---|---|---|
| Operation time (min) | 82.0±23 | 119.0±20 | 0.007 | 
| Bleeding (ml) | 238.0±67 | 303.0±48 | 0.003 | 
| Exposure to radiation (s) | 201.0±85 | 20.0±5 | 0.000 | 
| Bone union (wk) | 17.2±9.4 | 17.0±3.6 | 0.226 | 
| Angulation (°) | |||
| Varus | 6.0±2.1 | 1.0±1.5 | 0.114 | 
| Anterior | 2.0±2.5 | 0.0±0.7 | |
| UCLA shoulder score | 34.1±10.7 | 33.7±12.9 | 0.156 | 
| MEPI | 97.8±12.7 | 96.0±17.7 | 0.694 | 
Values are presented as mean±standard deviation. p-values <0.05 were considered significant. MIPO: minimally invasive plate osteosynthesis, OPEN: open plate fixation, UCLA: University of California Los Angeles, MEPI: Mayo Elbow Performance Index.
						 Values are presented as number only, mean±standard deviation, or number (%). The sum of the percentages does not equal 100% because of rounding. MIPO: minimally invasive plate osteosynthesis, OPEN: open plate fixation.
						 Values are presented as mean±standard deviation. p-values <0.05 were considered significant. MIPO: minimally invasive plate osteosynthesis, OPEN: open plate fixation, UCLA: University of California Los Angeles, MEPI: Mayo Elbow Performance Index.
