. 2020 Oct 21;9:e61523. doi: 10.7554/eLife.61523

Table 1. Results from the mixed-effect models: for each measure we reported the number of studies, the estimate and standard error of the overall R² distribution, the τ² and the I².

Measure	Number of studies	Estimate	Standard error	Tau²	I²
MTR	16	0.508	0.0691	0.07	96.03%
MPF	10	0.7657	0.0455	0.0128	83.18%
FA	17	0.3766	0.0663	0.0652	87.49%
RD	15	0.3364	0.0679	0.0615	92.30%
MD	12	0.2639	0.0679	0.044	87.35%
T1	8	0.5321	0.0692	0.0328	86.51%
AD	9	0.2095	0.0802	0.048	97.69%
T2	7	0.3938	0.1023	0.0651	84.49%
MWF	4	0.6997	0.0432	0.0041	73.19%

Table 1. Results from the mixed-effect models: for each measure we reported the number of studies, the estimate and standard error of the overall R2 distribution, the τ2 and the I2.