Does progress in microfracture techniques necessarily translate into clinical effectiveness?

Table 3 Risk of bias for all the pairwise comparisons for functional outcome from the network assessed with Cochrane’s Confidence in network meta-analysis approach

Comparison	Number of studies	Within-study bias	Reporting bias	Indirectness	Imprecision	Heterogeneity	Incoherence	Confidence rating	Reasons for downgrading
MFx-I: MFx-II	7	Some concerns	Some concerns	No concerns	Major concerns	Some concerns	No concerns	Moderate	Imprecision in results
MFx-I: MFx -III	1	Some concerns	Some concerns	No concerns	Major concerns	Some concerns	No concerns	Moderate	Imprecision in results
MFx-II: MFx -III	1	Some concerns	Some concerns	No concerns	Major concerns	Some concerns	No concerns	Moderate	Imprecision in results

MFx: Microfracture.