Fig. 2From: Risk factors for rescue analgesic use on the first postoperative day after upper limb surgery performed under single-injection brachial plexus block: a retrospective study of 930 casesPre- and postoperative analgesic regimen. BPB brachial plexus block, SCB supraclavicular block, 7:00 PM~7:00 AM from 7:00 PM on the day of surgery to 7:00 AM on the first postoperative dayBack to article page