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Table 2
Characteristics of the groups before surgery.
| Characteristics | TiN group (n = 14) |
CoCrMo group (n = 34) |
p-Value | ||
|---|---|---|---|---|---|
| Mean ± SD | Min–Max | Mean ± SD | Min–Max | ||
| Age (years) | 69.4 ± 6.2 | 70.9 ± 9.2 | 0.37 | ||
| Sex | 0.18 | ||||
| Male | n = 2 (14%) | n = 12 (35%) | |||
| Female | n = 12 (86%) | n = 22 (65%) | |||
| Body Mass Index (kg/m2) | 30.4 ± 6.0 | 21–40 | 29.0 ± 5.3 | 19–41 | 0.44 |
| Side | |||||
| Right | n = 5 (36%) | n = 20 (59%) | |||
| Left | n = 9 (64%) | n = 14 (41%) | |||
| Hip Knee Ankle angle (°) | 178 ± 8 | 165–191 | 175 ± 8 | 162–201 | 0.2 |
| Approach | Medial: n = 10 (71%) | Medial: n = 28 (82%) | 0.12 | ||
| Lateral: n = 4 (29%) | Lateral: n = 6 (18%) | ||||
| Indications for TKA | |||||
| Medial OA | n = 9 (64%) | n = 28 (82%) | |||
| Lateral OA | n = 2 (14%) | n = 6 (18%) | |||
| PF OA | n = 2 (14%) | 0 | |||
| Post-traumatic | n = 1 (7%) | n = 3 (9%) | |||
| History of HTO | n = 1 (7%) | 0 | |||
| Surgery | |||||
| Tibial stem | n = 2 (14%) | n = 6 (18%) | 1.0 | ||
| Patellar resurfacing | n = 14 (100%) | n = 14 (41%) | <0.001 | ||
| KSS total | 130.9 ± 35.2 | 82–184 | 124.7 ± 38.7 | 35-230 | 0.43 |
| KSFS | 65.4 ± 17.7 | 45–90 | 65.4 ± 16.9 | 0–90 | 0.38 |
| KSKS | 65.5 ± 17.3 | 37–94 | 59.3 ± 12.2 | 35-85 | 0.24 |
| Maximum flexion | 120 ± 9 | 95–135 | 120 ± 11 | 95-145 | 0.99 |
Bold value = statistically significant (p < 0.05).
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