“+” = low risk of bias; “?” = unclear risk of bias; and “-” = high risk of bias.</p
<p>A review of the authors' judgments about each risk of bias item for each included study. + is “ye...
<p><b>A review of the author’s judgments about each risk of bias</b> item for each included study. “...
Summary of risk of bias: A review of the authors’ judgments about each risk of bias item in each inc...
Supplement Figure S1 Risk of bias graph. Risk of bias summary. “+” means low risk; “?” means unclear...
<p>H, high risk; L, low risk; U, unclear risk.</p><p>Risk of Bias Assessment.</p
<p>+, Low risk of bias; − high risk of bias; ?, unknown risk of bias. Risk of bias assessment for ra...
<p>“Yes” indicates a low risk of bias, “No” indicates a high risk of bias, and “Unclear” indicates e...
Review authors’ judgments about each risk of bias item for each included study. The items are scored...
<p>Yellow circles, green circles, and red circles indicate “unclear risk of bias,” “low risk of bias...
<p>✓ = yes (low risk of bias); ✗ = no (high risk of bias); ? = unclear risk of bias.</p
Summary of bias risk according to QUADAS-2 (L: low risk, H: high risk, M: moderate risk).</p
<p>A review of the author's judgments about each risk of bias item for each included study. + is “lo...
<p>The authors' judgments for each risk of bias item. + is “low risk”; - is “high risk’’;? is “moder...
<p>Two studies were identified as being of a higher design quality. Three studies were identified as...
<p>“+”, “−” or “?” reflected low risk of bias, high risk of bias and uncertain of bias respectively....
<p>A review of the authors' judgments about each risk of bias item for each included study. + is “ye...
<p><b>A review of the author’s judgments about each risk of bias</b> item for each included study. “...
Summary of risk of bias: A review of the authors’ judgments about each risk of bias item in each inc...
Supplement Figure S1 Risk of bias graph. Risk of bias summary. “+” means low risk; “?” means unclear...
<p>H, high risk; L, low risk; U, unclear risk.</p><p>Risk of Bias Assessment.</p
<p>+, Low risk of bias; − high risk of bias; ?, unknown risk of bias. Risk of bias assessment for ra...
<p>“Yes” indicates a low risk of bias, “No” indicates a high risk of bias, and “Unclear” indicates e...
Review authors’ judgments about each risk of bias item for each included study. The items are scored...
<p>Yellow circles, green circles, and red circles indicate “unclear risk of bias,” “low risk of bias...
<p>✓ = yes (low risk of bias); ✗ = no (high risk of bias); ? = unclear risk of bias.</p
Summary of bias risk according to QUADAS-2 (L: low risk, H: high risk, M: moderate risk).</p
<p>A review of the author's judgments about each risk of bias item for each included study. + is “lo...
<p>The authors' judgments for each risk of bias item. + is “low risk”; - is “high risk’’;? is “moder...
<p>Two studies were identified as being of a higher design quality. Three studies were identified as...
<p>“+”, “−” or “?” reflected low risk of bias, high risk of bias and uncertain of bias respectively....
<p>A review of the authors' judgments about each risk of bias item for each included study. + is “ye...
<p><b>A review of the author’s judgments about each risk of bias</b> item for each included study. “...
Summary of risk of bias: A review of the authors’ judgments about each risk of bias item in each inc...
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