Clinical outcomes of treatment with locking compression plates for distal femoral fractures in a retrospective cohort

Table 4 Characteristics of comminuted fractures (OTA 33A3/C2/C3) (n = 45)

Characteristics	Non-union (n = 5)	Union (n = 40)	p value
Age, years	61.5 ± 18.0	68.4 ± 19.9	0.19
Open fracture	4	14	0.14*
MIPO	5	34	0.47*
AO/OTA 33A3/C2/C3	A3, 2; C2, 3	A3, 15; C2, 10; C3, 15
Plate span ratio
≥ 2–3	5	36	0.61*
< 2–3	0	4	0.61*
Number of empty holes	2.0 ± 0.5	1.2 ± 1.1	0.07^†
0 holes	0	9
1 hole	0	13
≥ 2 holes	5	18
Medial fracture distance‡
≥ 5 mm	5	0	0.00*
< 5 mm	0	40	0.00*
Bridge span length (mm)	81.2 ± 30.7	92.5 ± 29.9	0.54^†

Data are presented as mean ± standard deviation or number
MIPO minimally invasive plate osteosynthesis, AO/OTA Arbeitsgemeinschaft für Osteosynthesefragen/Orthopedic Trauma Association
*Fisher’s exact test
^†Mann-Whitney U test
‡There was no significant difference at 2 mm; however, there was a significant difference when the case was divided at 5 mm

ISSN: 1749-799X