Table 1.
Overview of the prostheses used, congruency of the insert and number of knees and patient characteristics (mean and standard deviation)
| Prosthesis | Design parameters | Number of knees | Follow-up (months) | Male/female | Age (years) | BMI (kg/m2) | Pre-operative | Post-operative | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Function score | Knee score | Function score | Knee score | |||||||
| Duracona | Multi-radius | 10 | 21 (8.9) | 3/7 | 68 (10.9) | 29 (3.7) | x | x | 88 (13) | 95 (3) |
| Fixed-bearing | ||||||||||
| Cruciate retaining | ||||||||||
| Triathlon FBa | Single-radius | 11 | 13 (1.0) | 5/6 | 66 (9.1) | 30 (6.2) | 52 (18) | 43 (13) | 73 (24) | 92 (4) |
| Fixed-bearing | ||||||||||
| Posterior-stabilized | ||||||||||
| Triathlon MBa | Single-radius | 9 | 12 (2.5) | 2/7 | 63 (9.6) | 31 (7.5) | 48 (13) | 49 (21) | 71 (26) | 90 (11) |
| Mobile-bearing | ||||||||||
| Posterior-stabilized | ||||||||||
| PFC-Sigmab | Multi-radius | 8 | 5 (1.0) | 4/4 | 67 (7.6) | 31 (5.1) | x | x | x | x |
| Fixed-bearing | ||||||||||
| Posterior-stabilized | ||||||||||
| NexGenc | Multi-radius | 7 | 43 (7.7) | 1/6 | 67 (8.2) | 30 (3.1) | 43 (16) | 44 (24) | 74 (30) | 84 (18) |
| Mobile-bearing | ||||||||||
| Posterior-stabilized | ||||||||||
| ROCCd | Multi-radius | 7 | 25 (0.8) | 3/4 | 63 (10.9) | 29 (5.6) | 50 (26) | 47 (12) | 79 (22) | 86 (11) |
| Mobile-bearing | ||||||||||
| Cruciate sacrificing | ||||||||||
Missing data are indicated with an ‘x’
aStryker, Kalamazoo, MI, USA
bDePuy Orthopaedics Inc., Warsaw, In, USA
cZimmer Inc., Warsaw, In, USA
dBiomet, Europe BV, Dordrecht, The Netherlands