I } [0.041, 0.211]</annotation></semantics></math>),
and heterogeneity,
<math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>τ</mi><mo>=</mo><mn>0.292</mn></mrow><annotation encoding="application/x-tex">\tau = 0.292</annotation></semantics></math>
(<math display="inline" xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mrow><mtext mathvariant="normal">95% CI </mtext><mspace width="0.333em"></mspace></mrow><mo stretchy="false" form="prefix">[</mo><mn>0.233</mn><