Table 3 Independent risk factors of decision for surgery in lateral tibiofemoral osteoarthritis according to the univariate logistic regression analysis
Variables | Crude ORs (95% CI) | p-Value |
|---|---|---|
Sex | 1.27 (0.41–3.99) | 0.680 |
Age | 1.03 (0.97–1.09) | 0.290 |
BMI (kg/m2) | 1.24 (0.96–1.60) | 0.104 |
Diabetes mellitus | 3.00 (0.50–17.95) | 0.229 |
Depression disorder | 1.00 (1.00–1.00) | 0.999 |
Angina | 1.00 (1.00–1.00) | 0.999 |
Cerebrovascular accident | 1.00 (1.00–1.00) | 0.999 |
Site of osteoarthritis (right versus left) | 1.04 (0.36–3.06) | 0.938 |
Bilaterality of lateral knee OA | 2.17 (0.63–7.40) | 0.217 |
OA site of contralateral side of knee (none versus lateral OA) | 2.67 (0.76–9.31) | 0.124 |
Duration of symptoms (months) | 1.00 (0.99–1.01) | 0.961 |
Follow-up period | 0.98 (0.77–1.23) | 0.830 |
Trauma history | 0.38 (0.10–1.40) | 0.146 |
Injection history | 3.00 (0.83–10.90) | 0.095 |
Meniscectomy history (none versus ipsilateral) | 0.38 (0.09–1.62) | 0.189 |
Range of knee motion | ||
Flexion contracture | 1.08 (0.91–1.29) | 0.358 |
Further flexion | 0.83 (0.69–1.01) | 0.104 |
LLD | 0.98 (0.91–1.05) | 0.577 |
Pelvic obliquity | 0.93 (0.73–1.18) | 0.550 |
Ipsilateral side of lower extremity | ||
Pain VAS | 1.59 (1.15–2.18) | 0.005* |
Ahlbäck grade (mild versus severe) | 5.33 (1.06–26.90) | 0.043* |
HKA | 0.85 (0.77–0.94) | 0.002* |
JLCA | 0.83 (0.71–0.98) | 0.025* |
TF subluxation at the lateral cortex | ||
Knee AP | 0.93 (0.80–1.07) | 0.302 |
Rosenberg view | 0.86 (0.75–0.99) | 0.032* |
TF subluxation at the center | ||
Knee AP | 1.13 (1.03–1.25) | 0.012* |
Rosenberg view | 0.99 (0.92–1.07) | 0.791 |
K–L grade of hip joint (mild versus severe) | 0.24 (0.03–2.16) | 0.200 |
HHL | 1.06 (0.99–1.12) | 0.120 |
FO | 0.95 (0.85–1.05) | 0.288 |
NSA | 0.97 (0.88–1.07) | 0.542 |
K–L grade of ankle joint (mild versus severe) | 1.35 (0.08–22.70) | 0.836 |
TAA | 1.15 (0.81–1.65) | 0.435 |
TTA | 1.16 (1.02–1.31) | 0.020* |
Contralateral side of lower extremity | ||
Pain VAS | 1.11 (0.85–1.45) | 0.465 |
Ahlbäck grade (mild versus severe) | 4.19 (1.10–15.90) | 0.035* |
HKA | 1.03 (0.95–1.12) | 0.463 |
JLCA | 1.09 (0.93–1.27) | 0.289 |
TF subluxation at the lateral cortex | ||
Knee AP | 0.88 (0.71–1.08) | 0.205 |
Rosenberg view | 0.94 (0.80–1.11) | 0.464 |
TF subluxation at the center | ||
Knee AP | 1.06 (0.97–1.17) | 0.208 |
Rosenberg view | 1.01 (0.92–1.10) | 0.900 |
K–L grade of hip joint (mild versus severe) | 1.00 (1.00–1.00) | 0.999 |
HHL | 1.06 (1.00–1.13) | 0.104 |
FO | 1.00 (0.91–1.10) | 0.989 |
NSA | 1.05 (0.95–1.15) | 0.332 |
K–L grade of ankle joint (mild versus severe) | 1.00 (1.00–1.00) | 0.999 |
TAA | 0.89 (0.66–1.21) | 0.466 |
TTA | 1.06 (0.93–1.20) | 0.397 |