Table 1 Characteristics of the included studies
Author | Country | Patients (EM)/(IM) | Age (EM)/(IM) | Gender (EM)/(IM) | Total knee system | EM system |
|---|---|---|---|---|---|---|
Jung 2013 [9] | South Korea | 56/50 | 70.4/68.5 | Female:male 6:1/5.3:1 | PS prosthesis (Stryker) | Mechanical axis marker with IFD measurement |
Jeon 2012 [28] | South Korea | 40/40 | 70.1/69.2 | Female | PS prosthesis (Stryker) | Markers attached to skin |
Baldini 2008 [8] | Italy | 50/50 | 71/70 | Female:male 2:1/1.7:1 | Posterior stabilized flex fixed-bearing prosthesis (Zimmer) | An extramedullary device with preoperative templated data |
Engh 1990 [7] | USA | 32/40 | 69.11(38-88) | Female: 53 Male: 19 | Depuy | HDisc–peg taped to skin for intraoperative location |