Table 2 A multiple linear regression analysis with stepwise procedure from fluoroscopic analysis and 2011 KSS
Independent variable | β | (95% CI) | P value | R2 value | |
|---|---|---|---|---|---|
Symptoms | Max flexion | 0.09 | (0.01–0.17) | 0.021 | 0.05 |
Satisfaction | Max flexion | 0.25 | (0.1–0.4) | 0.0011 | |
Lateral Rollback | 0.5 | (0.01–0.92) | 0.0177 | 0.11 | |
Expectations | NA | ||||
Functional activities | Range of motion | 0.49 | (0.26–0.72) | < .0001 | |
Medial AP at maximum flex | 1.26 | (0.44–2.1) | 0.003 | 0.18 | |
Walking and standing | Range of motion | 0.11 | (0.01–0.22) | 0.03 | |
Medial AP at maximum flex | 0.59 | (0.22–0.97) | 0.002 | 0.1 | |
Standard activities | Range of motion | 0.12 | (0.06–0.19) | 0.0004 | |
Medial AP at maximum flex | 0.29 | (0.05–0.53) | 0.02 | 0.13 | |
Advanced activities | Range of motion | 0.18 | (0.11–0.25) | < .0001 | |
Medial AP at maximum flex | 0.31 | (0.05–0.56) | 0.02 | 0.2 | |
Discretionary activities | Minimum flexion | −0.15 | (−0.26 to −0.03) | 0.01 | 0.06 |