Table 2.

Migration at 10 years with postoperative examination as reference. In patients who were operated bilaterally, only the first-operated knee was included

	Trabecular metal				NexGen cemented
At 10 years	Median	IQR	Mean	95% CI	Median	IQR	Mean	95% CI
X-axis rotation [flexion-extension]a	0.44	0.23–0.64	0.43	0.27–0.59	0.22	0.16–0.36	0.22	0.11–0.33
Y-axis rotation [internal-external]a	0.48	0.32–0.79	0.45	0.22–0.68	0.18	0.16–0.36	0.17	0.09–0.25
Z-axis rotation [varus-valgus]a	0.30	0.13–0.59	0.22	0.05–0.39	0.11	0.10–0.26	0.11	0.01–0.22
MTPM, mm	0.85	0.61–1.52	0.93	0.87–0.99	0.34	0.24–0.64	0.37	0.25–0.49
Maximum lift-off, mm	0.00	0.00–0.09	0.01	0.00–0.02	0.11	0.06–0.23	0.11	0.09–0.13
Maximum subsidence, mm	0.67	0.36–1.51	0.66	0.34–0.98	0.10	0.05–0.30	0.18	0.08–0.28

^adegrees, absolute value.

IQR: interquartile range; 95% CI: 95% confidence interval for the mean. MTPM: maximum total point motion.