Table 3.

Studies of CCK implants in primary total knee arthroplasty with minimum 5-year follow-up

Authors (year of publication)	No. of knees	No. of primary CCK	Mean age at index (years) (range)	Mean follow-up (years) (range)	Reoperations for aseptic loosening (rate)	Reoperations for infection (rate)	Reoperations for any reason (rate)	Infections (rate)
Lachiewicz et al. [12]	42	20	67 (40–91)	9 (5–16)	1 (5%)	0 (0%)	1 (5%)	0 (0%)
Lachiewicz et al. [13]	27	27	74 (28–94)	5 (2–12)	0 (0%)	0 (0%)	2 (7.4%)	2 (7.4%)
Nam et al. [34]	190	190	72	7	5 (2.6%)	1 (0.5%)	8 (4.2%)	1 (0.5%)
Maynard et al. [33]	127	107	68 (42–86)	9 (7–13)	0 (0%)	2 (1.6%)	13 (10.2%)	4 (3.1%)
Cholewinski et al. [18]	43	43	66 (21–88)	12 (10–14)	0 (0%)	2 (4.7%)	8 (18.6%)	4 (9.3%)
Luque et al. [11]	89	89	71	7 (2–8)	2 (2.2%)	6 (6.7%)	11 (12%)	6 (6.7%)
Ruel et al. [35]	142	142	N/A	5 (2–10)	7 (4.9%)	2 (1.4%)	14 (9.9%)	2 (1.4%)
Martin et al. [22]	427	427	65	5 (2–12)	19 (4.4%)	5 (1.2%)	75 (17.6%)	26 (6.1%)
Feng et al. [19]	48	15	61 (29–81)	6 (3–8)	0 (0%)	0 (0%)	0 (0%)	0 (0%)
Ye et al. [17]	51	31	64 (52–76)	6 (4–8)	0 (0%)	1 (3.2%)	1 (2%)	1 (3.2%)
Tripathi et al. [37]	100	100	59 (45–70)	7	1 (1%)	1(1%)	3 (3%)	2 (2%)
Siqueira et al. [37]	247	247	67	8 (2–15)	2 (0.8%)	13 (5.3%)	22 (8.9%)	13 (5.3%)
Li et al. [14]	43	43	65 (60–72)	5 (2–10)	0 (0%)	0 (0%)	2 (4.7%)	0 (0%)
Johnson et al. [20]	21	21	54 (39–59)	6 (2–12)	0 (0%)	0 (0%)	2 (9.5%)	0 (0%)
Mancino et al. (current study)	47	47	72 (43–86)	9 (6–12)	0 (0%)	2 (4.3%)	3 (6.4%)	2 (4.3%)

N/A not available