Figure 1. Effect of anesthetic on time to discharge. Ambulatory patients had general, regional, monitored, or local anesthesia. Nausea = the subset of patients having general anesthesia who received antiemetics and/or had nausea or vomiting postoperatively; general = patients having general anesthesia who neither received antiemetics nor reported nausea or vomiting postoperatively. Times to discharge were recorded as mean plus/minus SD.