Table 2 Estimated WMD and 95% CI from pairwise meta-analysis in terms of flexion contracture improvement, flexion improvement, KS function score improvement, and KS knee score improvement
Included studies | Comparisons | Pairwise meta-analysis | ||
|---|---|---|---|---|
WMD (95% CI) | I2 | Ph | ||
Flexion contracture improvement | ||||
2 studies | C VS. B | − 0.49 (− 1.72− 0.75) | 63.2% | 0.10 |
2 studies | D VS. B | 0.22 (− 1.40–1.85) | 0% | 0.63 |
Knee flexion improvement | ||||
3 study | D VS. A | − 1.54 (− 3.97–0.88) | 64.6% | 0.06 |
2 studies | C VS. B | 6.00 (2.49–9.50) | 84.4% | 0.01 |
2 studies | D VS. B | 2.37 (− 1.83–6.58) | 12.9% | 0.28 |
KS function score improvement | ||||
2 studies | C VS. B | 2.36 (− 0.92–5.64) | 0% | 0.40 |
2 studies | D VS. B | 0.51 (− 3.79–4.80) | 0% | 0.52 |
KS knee score improvement | ||||
2 studies | C VS. B | 2.37 (− 0.16–4.89) | 91.80% | < 0.01 |
2 studies | D VS. B | − 1.16 (− 4.18–1.84) | 0% | 0.38 |