<p>a The outcome assessors were not blinded to the interventions implemented in any of the studies.</p><p>Quality of included cohort studies (Newcastle-Ottawa Scale, NOS).</p
<p><b>Assessment strategies</b>: selection (max. 4 stars), comparability (max. 2 stars), and outcome...
<p>NR, not reported.</p>a<p>Indicates exposed cohort truly representative.</p>b<p>Non-exposed cohort...
<p>A score of 0 indicates “no”; a score of 1 or 2 indicates “yes”. Studies scoring ≥67% were conside...
In newcastle-ottawa scale, studies with 9 stars were considered high quality.</p
<p>Note: “1”represented got 1 star</p><p>Quality assessment of included studies using Newcastle-Otta...
<p>*a maximum of 1 point for each item</p><p>**a maximum of 2 points for each item</p><p>***a maximu...
<p>Note: For case-control studies, 1 indicates adequate definition of cases; 2, cases are representa...
<p>Quality of included nested case-control studies (Newcastle-Ottawa Scale, NOS).</p
*<p>Selection:</p><p>(1) Representativeness of the exposed cohort: A, truly representative; B, somew...
Quality assessment of included studies based on the Newcastle-Ottawa Scale (NOS).</p
Results of quality assessment using the Newcastle-Ottawa Scale for cohort studies.</p
<p>Quality of the studies included in the meta-analysis assessed with Newcastle-Ottawa scale (n = 9)...
<p>Quality Assessment of included studies based on the Newcastle-Ottawa Scales.</p
<p>Quality assessment of the 18 included studies with the Newcastle-Ottawa Scale (NOS).</p
Quality assessment: The Newcastle Ottawa Scale [NOS] for assessing the quality of nonrandomized stud...
<p><b>Assessment strategies</b>: selection (max. 4 stars), comparability (max. 2 stars), and outcome...
<p>NR, not reported.</p>a<p>Indicates exposed cohort truly representative.</p>b<p>Non-exposed cohort...
<p>A score of 0 indicates “no”; a score of 1 or 2 indicates “yes”. Studies scoring ≥67% were conside...
In newcastle-ottawa scale, studies with 9 stars were considered high quality.</p
<p>Note: “1”represented got 1 star</p><p>Quality assessment of included studies using Newcastle-Otta...
<p>*a maximum of 1 point for each item</p><p>**a maximum of 2 points for each item</p><p>***a maximu...
<p>Note: For case-control studies, 1 indicates adequate definition of cases; 2, cases are representa...
<p>Quality of included nested case-control studies (Newcastle-Ottawa Scale, NOS).</p
*<p>Selection:</p><p>(1) Representativeness of the exposed cohort: A, truly representative; B, somew...
Quality assessment of included studies based on the Newcastle-Ottawa Scale (NOS).</p
Results of quality assessment using the Newcastle-Ottawa Scale for cohort studies.</p
<p>Quality of the studies included in the meta-analysis assessed with Newcastle-Ottawa scale (n = 9)...
<p>Quality Assessment of included studies based on the Newcastle-Ottawa Scales.</p
<p>Quality assessment of the 18 included studies with the Newcastle-Ottawa Scale (NOS).</p
Quality assessment: The Newcastle Ottawa Scale [NOS] for assessing the quality of nonrandomized stud...
<p><b>Assessment strategies</b>: selection (max. 4 stars), comparability (max. 2 stars), and outcome...
<p>NR, not reported.</p>a<p>Indicates exposed cohort truly representative.</p>b<p>Non-exposed cohort...
<p>A score of 0 indicates “no”; a score of 1 or 2 indicates “yes”. Studies scoring ≥67% were conside...
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