Pressurized carbon dioxide lavage reduces the incidence of a radiolucent line around the tibial component two years after total knee arthroplasty

Table 2 Radiological evaluations just after TKA

	CO₂− group (47 knees)	CO₂+ group (53 knees)	p value
Implant alignment (°)
α	96.9 ± 2.3	96.0 ± 1.9	n.s.
β	88.6 ± 1.3	88.6 ± 1.4	n.s.
γ	3.0 ± 2.0	2.5 ± 1.7	n.s.
Φ	83.2 ± 2.5	84.0 ± 2.5	n.s.
Cement penetration of baseplate zones (mm)
Medial	1.7 ± 0.8	3.5 ± 1.5	< 0.001
Lateral	1.7 ± 0.9	3.2 ± 1.6	< 0.001
Anterior	2.0 ± 1.0	3.0 ± 1.0	< 0.001
Posterior	1.7 ± 0.7	3.2 ± 1.3	< 0.001

ISSN: 1749-799X