Table 2.

Distribution of implant type among 312 accepted compensation claims from the Norwegian System of Patient Injury Compensation during 2008–2018

Implant type	Number (%)
Primary total knee arthroplasty
cemented	225 (72)
non-cemented	23 (7)
hybrid technique	21 (7)
Primary unicondylar knee arthroplasty
cemented	21 (7)
non-cemented	4 (1)
Primary patellofemoral arthroplasty
cemented	1 (0.3)
non-cemented	1 (0.3)
Secondary total knee arthroplasty
cemented	9 (3)
hybrid technique	2 (0.6)
Secondary patellofemoral arthroplasty
cemented	1 (0.3)
Other, unspecified	4 (1)