Table 5 Meta-analysis results of RCTs
Outcomes of Demographics | Number of Contributing Studies | Number of QS TKAs | Number of MP TKAs | WMD or OR (95% CI) | P - Value | Heterogeneity |
|---|---|---|---|---|---|---|
KS Knee Score beyond 24 months | 2 | 155 | 155 | −0.18 (−1.13, 0.77) | 0.71 | 25% |
KS Function Score beyond 24 months | 2 | 155 | 155 | 1.86 (0.86, 2.85) | 0.0002 | 0% |
ROM beyond 16 months | 3 | 193 | 192 | −0.41 (−2.18, 1.37) | 0.65 | 0% |
Complications | 5 | 243 | 244 | 1.49 (0.68, 3.27) | 0.32 | 1% |
Infections | 7 | 301 | 300 | 1.95 (0.75, 5.10) | 0.17 | 0% |
Mechanical axis outliers | 2 | 55 | 54 | 3.80 (0.61, 23.57) | 0.15 | 25% |
Femoral component coronal angle outliers | 3 | 93 | 91 | 5.24 (0.80, 34.28) | 0.08 | 20% |
Tibial component coronal angle outliers | 3 | 93 | 91 | 4.14 (0.87, 19.75) | 0.07 | 0% |
Mechanical axis | 3 | 88 | 89 | 0.34 (−0.37, 1.05) | 0.35 | 15% |
Femoral component coronal angle | 5 | 251 | 251 | 0.07 (−1.30, 1.44) | 0.92 | 93% |
Tibial component coronal angle | 5 | 251 | 251 | −0.31 (− 1.58, 0.97) | 0.64 | 93% |
Lateral patellar tilt | 2 | 143 | 144 | 0.73 (−0.30, 1.76) | 0.16 | 0% |
KS Knee Score 1.5–3 months | 3 | 178 | 179 | 1.01 (−0.74, 2.76) | 0.26 | 61% |
KS Function Score 1.5–3 months | 3 | 178 | 179 | −0.67 (−5.45, 4.10) | 0.78 | 82% |
ROM 1–2 weeks | 2 | 58 | 56 | 4.87 (1.78, 7.96) | 0.002 | 0% |
ROM 4–8 weeks | 3 | 93 | 91 | 1.68 (−2.16, 5.51) | 0.39 | 60% |
VAS 1 day | 3 | 93 | 91 | −0.07 (−0.49, 0.35) | 0.74 | 0% |
VAS 4–8 weeks | 2 | 58 | 56 | −0.46 (−2.31, 1.40) | 0.63 | 87% |
Surgical time (min) | 5 | 243 | 241 | 18.86 (8.81, 28.91) | 0.0002 | 94% |
Tourniquet time (min) | 3 | 193 | 192 | 24.39 (3.19, 45.60) | 0.02 | 99% |
Intraoperative blood loss (ml) | 2 | 158 | 157 | 3.10 (−24.89, 31.09) | 0.83 | 0% |
Total blood loss (ml) | 4 | 111 | 110 | 4.24 (−56.29, 64.77) | 0.89 | 48% |
Incision, extension (cm) | 4 | 188 | 188 | −3.76 (−6.79, −0.73) | 0.02 | 99% |
Incision, flexion (cm) | 3 | 193 | 192 | −1.90 (−3.99, 0.19) | 0.07 | 99% |
Length of stay (days) | 4 | 205 | 204 | −0.34 (−1.02, 0.34) | 0.33 | 71% |
SLR at 24 h (% of patients) | 2 | 73 | 72 | 1.62 (0.79, 3.30) | 0.19 | 0% |