Table 1: Background data in 95 patients with isolated Colton type I, type II transverse or oblique or type II comminuted fractures of olecranon. Data are missing for trauma type in 3 patients and current work load in 9 patients. Data are provided as mean ± SD or numbers with proportions (%).

-	Type I (n = 19)	Type II Transverse or Oblique Displaced (n = 57)	Type II Comminuted (n = 19)
Age (years)	-	-	-
At injury	24.9 ± 18.8	42.6 ± 20.4	40.4 ± 19.2
At follow-up	44.9 ± 18.3	61.1 ± 20.0	58.7 ± 18.2
Follow-up period (years)	20.0 ± 3.0	18.5 ± 3.0	18.3 ± 2.8
Gender (n [%])	-	-	-
Men	9 (47%)	20 (35%)	11 (58%)
Women	10 (53%)	37 65%)	8 (42%)
Trauma type (n [%])	-	-	-
Low energy	13 (68%)	33 (61%)	7 (37%)
High energy	6 (32%)	21 (39%)	12 (63%)
Anatomic location (n [%])	-	-	-
Proximal third of olecranon	6 (31%)	10 (18%)	4 (21%)
Mid third of olecranon	9 (47%)	35 (61%)	11 (58%)
Distal third of olecranon	4 (21%)	12 (21%)	4 (21%)
Side	-	-	-
Right	6 (32%)	30 (53%)	9 (47%)
Left	13 (68%)	27 (47%)	10 (53%)
Primary treatment (n [%])	-	-	-
Instant mobilisation	6 (32%)	0	0
Plaster	11 (58%)	6 (11%)	1 (5%)
Open reduction and internal fixation	2 (10%)	51 (89%)	18 (95%)
Current workload (n [%])	-	-	-
White collar	9 (64%)	19 (36%)	9 (50%)
Blue collar	1 (7%)	4 (7%)	3 (17%)
Retired	4 (29%)	31 (57%)	6 (33%)