Should we support prophylactic intervention for asymptomatic kidney stones? A retrospective cohort study with long-term follow-up.

"Declarations Conflict of interestWe have no relevant financial or non-financial interests to disclose. Ethics approvalThis retrospective study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study protocol was approved by the independent ethics committee of institution for national drug clinical Trials, Tangdu Hospital, fourth Military Medical University. Approval No: K202110-06. Consent to participateVerbal informed consent was obtained through the phone. Conflict of interest We have no relevant financial or non-financial interests to disclose."

"Funding This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors."