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Teredesai, Wohrmann, and Schlage 2002)
Cox regression analyses were employed to calculate hazard ratios (HRs) and 95% confidence intervals (CIs) before and after 1:1 propensity score matching (PSM)
For each eligible study, two authors (MM and AN) independently extracted data, which was then reviewed by a third author (JV) using a piloted spreadsheet, in accordance with Cochrane Collaboration guidelines ( Where relevant data were missing, attempts were made to contact corresponding authors
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Bankhead, P
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