Table 2.

Post-operative complications reported within the 2- to 5-year follow-up period

Complication type	n	%a
Implant/surgery
Implant breakage	1	0.2
Bone
Pseudarthrosisb	8	1.5
Soft tissue/wound
Haematoma	11	2.1
Infection	11	2.1
Infected haematoma	3	0.6
Impaired wound healing	2	0.4
Other soft tissue	3	0.6
General
Thromboembolic complication	1	0.2

^aRisk (%) is reported as the number of reported events during the follow-up period divided by the number of patients at baseline (i.e. n = 533)

^bThis complication was defined as healing insufficiency (with a high risk of pseudarthrosis) diagnosed within the first three months after surgery, which led to a reoperation in order to circumvent pseudarthrosis at a later stage