Table 1. Patients: Anesthetic and Surgical Details
Values are mean ± SD.
* Nonsignificant, Mann–Whitney U test.
† Nonsignificant, chi-square test.
‡ The blood concentrations of alfentanil were simulated postoperatively with StanPump software. StanPump is freely available from the author, Steven L. Shafer, M.D., Anesthesiology Service (112A), PAVAMC, 3801 Miranda Avenue, Palo Alto, California 94304.
§P < 0.01, Mann–Whitney U test.
ASA = American Society of Anesthesiologists (physical status).