To view the full text, please login as a subscribed user or purchase a subscription. Click here to view the full text on ScienceDirect. Fig. 1 Consolidated Standards of Reporting Trials (CONSORT) flow diagram. PNL, percutaneous nephrolithotomy; TQL, transmuscular quadratus lumborum. Fig. 2 Kaplan–Meier survival plot. Time to first opioid from arrival at PACU (T0). Kaplan–Meier survival plot of time to first opioid (min), defined as time from T0 until first request for opioid. Fig.