Table II.
Survivorship summary and comparison with the NJR
| Source | Survivorship (%) | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| One year (%) | Two years (%) | Three years (%) | Four years (%) | Five years (%) | Six years (%) | Seven years (%) | Eight years (%) | Nine years (%) | ||||||||||
| Anderson et al19 | 99.7 | 99.7 | 99.7 | 99.7 | 99.7 | 99.1 | 97.4 | 97.4 | - | |||||||||
| Chinzei et al17 | - | - | - | - | - | - | - | 98.3 | - | |||||||||
| Fan et al16 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | - | - | - | - | |||||||||
| Ishida et al15 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | - | - | - | - | |||||||||
| Karachalios et al14 | 100.0 | 100.0 | 100.0 | 99.6 | 99.1 | 99.1 | 97.5 | 97.5 | 97.5 | |||||||||
| Kim et al13 | 100.0 | 100.0 | - | - | - | - | - | - | - | |||||||||
| Vecchini et al12 | - | - | - | - | - | - | 98.6 | - | - | |||||||||
| Pooled survivorship: ADVANCE medial-pivot | 99.5 (98.4 to 99.8) | 99.5 (98.4 to 99.8) | 99.5 (98.1 to 99.9) | 99.4 (98.1 to 99.8) | 99.2 (97.7 to 99.7) | 99.1 (97.7 to 99.7) | 97.7 (96.0 to 98.6) | 97.6 (95.8 to 98.6) | 97.5 (65.6 to 100.0) | |||||||||
| NJR: all cemented TKRs | 99.62 (99.60 to 99.64) | 99.04 (99.01 to 99.07) | 98.55 (98.51 to 98.59) | 98.19 (98.15 to 98.24) | 97.89 (97.84 to 97.94) | 97.64* (97.58 to 97.69) | 97.37 (97.30 to 97.44) | 97.12 (97.03 to 97.20) | 96.88 (96.76 to 96.99) | |||||||||
| NJR: cemented, unconstrained, fixed | 99.67 (99.65 to 99.69) | 99.12 (99.08 to 99.16) | 98.67 (98.62 to 98.71) | 98.34 (98.29 to 98.39) | 98.08 (98.01 to 98.14) | 97.81 (97.74 to 97.88) | 97.56 (97.47 to 97.64) | 97.29 (97.19 to 97.40) | 97.10 (96.96 to 97.23) | |||||||||
| NJR: cemented, unconstrained, mobile | 99.49 (99.40 to 99.57) | 98.78 (98.63 to 98.91) | 98.16 (97.97 to 98.33) | 97.65* (97.43 to 97.85) | 97.35* (97.11 to 97.57) | 97.11* (96.84 to 97.35) | 96.86 (96.56 to 97.14) | 96.69 (96.34 to 97.01) | 96.22 (95.60 to 96.76) | |||||||||
| NJR: cemented, PS, fixed | 99.57 (99.53 to 99.61) | 98.97 (98.91 to 99.03) | 98.47 (98.39 to 98.55) | 98.11 (98.01 to 98.20) | 97.72 (97.60 to 97.82) | 97.48* (97.36 to 97.60) | 97.21 (97.06 to 97.35) | 96.94 (96.76 to 97.11) | 96.68 (96.42 to 96.92) | |||||||||
| NJR: cemented, PS, mobile | 99.32 (99.11 to 99.48) | 98.44 (98.13 to 98.71) | 97.78 (97.40 to 98.11) | 97.27* (96.83 to 97.65) | 96.92* (96.44 to 97.34) | 96.47* (95.91 to 96.96) | 96.16 (95.51 to 96.72) | 96.16 (95.51 to 96.72) | 94.99 (92.94 to 96.45) | |||||||||
| NJR: cemented, constrained condylar | 98.98 (98.42 to 99.34) | 98.15 (97.39 to 98.70) | 97.44 (96.49 to 98.13) | 96.96* (95.87 to 97.76) | 96.65* (95.46 to 97.53) | 96.65* (95.46 to 97.53) | 96.35 (94.96 to 97.36) | 95.52 (93.04 to 97.13) | 95.52 (93.04 to 97.13) | |||||||||
| NJR: cemented, all poly tibia | 99.61 (99.39 to 99.75) | 99.07 (98.73 to 99.32) | 98.52 (98.05 to 98.88) | 98.26 (97.73 to 98.67) | 97.71 (97.02 to 98.24) | 97.59 (96.85 to 98.16) | 97.36 (96.45 to 98.04) | 97.36 (96.45 to 98.04) | 97.36 (96.45 to 98.04) | |||||||||
*Statistically significant