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. 2010 Aug 31;35(3):305–316. doi: 10.1007/s00264-010-1109-2

Table 1.

Characteristics of included studies

Author and publication date Enrollment period Indication Number of knees enrolled Number of knees analysed Mean age (years) Mean weight (kg) Type of implant Duration of follow-up (years) Missing outcome data Intention to treat analysis
PR/PN PR/PN PR/PN PR/PN
Partio and Wirta (1995) 1991–1992 OA, RA 100 (50/50) 95 (47/48) 67.5 NR PFC 2.5 5 (5%) No
Bourne et al. (1995)a NR OA 100 (50/50) 100 (50/50) 72/68 84/86 AMK 2 0 (0%) No
Feller et al. (1996) 1990–1991 OA 40 (20/20) 38 (19/19) 70.5/71.1 86.1/78.6 PCA 3 2 (5%) No
Kajino et al. (1997) NR RA 70 (35/35) 52 (26/26) 56.1 NR YC 6.5 18 (26%) No
Barrack et al. (1997)b 1992–1993 OA 121 118 (58/60) 65.3/67.1 NR M-GII 2.5 4 (3%) Yes
Schroeder-Boersch et al. (1998) NR OA 40 (20/20) 40 (20/20) 70.3/72.2 73.8/73.7 Duracon 24 0 (0%) No
Barrack et al. (2001)b 1992–1993 OA 121 93 (47/46) 65.3/67.1 NR M-GII 5.8 28 (23%) Yes
Newman et al. (2000) 1990–1992 OA 84 (42/42) 71 (37/34) 72. 0/71. 2 77. 3/74. 6 Kinematic 5 13 (15%) No
Wood et al. (2002) 1992–1996 OA 240 (106/13) 220 (92/128) 73.7/73.7 78.5/79.8 M-GII 4 41 (17%) Yes
Waters and Bentley (2003) 1992–NR OA, RA 514 474 (243./231) 69.1/69.1 76.7/78.9 PFC 5.3 62 (12%) Yes
Kordelle et al. (2003) 1999–2000 OA 50 (25/25) 50 (25/25) NR NR NR 1 NR NR
Gildone et al. (2005) NR OA 56 (28/28) 56 (28/28) 74.6/73.6 NR NexGen 2 0 (0%) No
Burnett et al. (2004)a 1991-NR OA 100 (50/50) 90 (42/48) 71/69 88/88 AMK 10 36 (36%) Yes
Campbell et al. (2006) 1991–1993 OA 100 (46/54) 58 (30/28) 71/73 88.4/77.5 M-GII 10 42 (42%) No
Smith et al. (2008) 1998–2002 OA 181 159 (73/86) 71.9/71.2 86.1/82.2 Profix 4.3 22 (12%) No
Huang et al. (2007) 2000–2001 OA 117 107 (57/50) 68.1/66.5 NR AMK 2 10 (8%) No

PR patellar resurfacing, PN patellar nonresurfacing, OA osteoarthritis, RA rheumatoid arthritis, NR not reported, PFC Press-Fit Condylar prosthesis, AMK Anatomic Medullary Knee prosthesis, PCA PCA Modular prosthesis, YC Yoshino-Shoji total knee prosthesis, M-GII Miller-Galante II prosthesis

aBourne et al. [34] and Burnett et al. [35] reported the results of the same patients in different follow-up times

bBarrack et al. [32] and Barrack et al. [33] reported the results of the same patients in different follow-up times