Table 2.

Number of study groups and knees for each follow-up moment

Follow-up	Baseline	Months			Years
		1	3	6	1	2	5	10
Cemented
Study groups	128	41	93	75	128	125	28	6
Implants	3,114	777	2,077	1,661	2,863	2,713	495	73
Uncemented without screw fixation
Study groups	51	24	48	39	51	46	13	6
Implants	1,240	478	1,078	798	1,123	1,003	290	84
Uncemented with screw fixation
Study groups	17	13	8	12	17	16	4	0
Implants	341	247	161	232	328	303	84	0

Numbers do not add up due to the exclusion of 1 study group with implants with a cement and screw fixation.