Correction: Effect of focused power ultrasound-mediated perirenal fat modification on primary hypertension: protocol of a multicenter, randomized, double-blinded, sham-controlled study.

Reference 1 Li M. Effect of focused power ultrasound-mediated perirenal fat modification on primary hypertension: protocol of a multicenter, randomized, double-blinded, sham-controlled study. B Correction: BMC Trials 24, 221 (2023) b B https://doi.org/10.1186/s13063-023-07249-5 b Following publication of the original article [[1]], we have been informed of a sample size calculation error. [Extracted from the article]