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There were no differences in the frequencies of complications between the two groups. The percentages of patients who took oral analgesics and the numbers of medications consumed were also not different between the two groups. The supra-inguinal FICB provided effective analgesia and improved exercise tolerance compared with the classical approach. The trial was registered at the Chinese Clinical Trial Registry (registration number ChiCTR2100045644, registration date 2021 April 2. The trial was registered at the Chinese Clinical Trial Registry (registratio