Table 4. Comparison of Preliminary Results of Cruciate-Retaining and Posterior-Stabilized TKAs Using Persona.
| Variable | Cruciate-retaining TKA (n=90) | Posterior-stabilized TKA (n=64) | p-value |
|---|---|---|---|
| Knee score | |||
| Preoperative | 44.4 ± 5.8 | 42.8 ± 6.7 | 0.101 |
| Last follow-up | 85.2 ± 10.1 | 86.9 ± 8.3 | 0.284 |
| Function score | |||
| Preoperative | 43.8 ± 4.7 | 42.4 ± 5.5 | 0.077 |
| Last follow-up | 68.9 ± 13.4 | 71.5 ± 16.2 | 0.280 |
| WOMAC | |||
| Preoperative | 67.2 ± 3.6 | 68.5 ± 4.7 | 0.071 |
| Last follow-up | 23.1 ± 7.5 | 22.6 ± 7.6 | 0.688 |
| ROM (°) | |||
| Preoperative | 119.9 ± 17.1 | 110.3 ± 21.4 | 0.004 |
| Last follow-up | 127.2 ± 10.1 | 128.8 ± 10.3 | 0.322 |
Values are presented as mean ± standard deviation. The preliminary prospective study was conducted from April 2015 to June 2017. The mean follow-up period was 1 year for both groups.
TKA: total knee arthroplasty, WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index, ROM: range of motion.