Table 6.
I2 statistic values of variables analyzed in each meta-analysis.
| Outcome Variables | X Li17 (2014) | C Papakostidis33 (2016) | S Xu31 (2017) | Z Wang15 (2019) | C Zhang32 (2020) | S Wang16 (2020) |
|---|---|---|---|---|---|---|
| VAS - 6 months | 0% | |||||
| VAS - 12 months | 0% | |||||
| VAS - 24 months | 0% | 99% | 86.2% | |||
| HHS | 52% | 42% | ||||
| HHS – 12 months | 56.6% | 26.4% | ||||
| HHS – 24 months | 0% | 0% | 0% | |||
| WOMAC | 90.9% | |||||
| Femoral head collapse | 68% | 0% | 65% | |||
| Necrotic area reduction | 0% | 71.2% | 84.8% | |||
| Conversion to VBG | 0% | |||||
| Conversion to THA | 32% | 0% | 57.9% | 62% | 22.5% | |
| Adverse Events | 0% | 0% |
HHS – Harris Hip Score; THA – Total Hip Arthroplasty; VAS – Visual Analog Scale; VBG – Vascularised Bone Grafting; WOMAC - Western Ontario and McMaster Universities Arthritis Index.