Demographic and Perioperative Data of 125 Patients receiving Piritramide.

Data represent number of patients and means±SD. a: ASA: American Society of Anesthesiologists physical status; I = healthy patient, II = mild systemic disease, III = severe systemic disease, IV = severe systemic disease that is a constant threat to life. b : PM = poor metabolizers, HZ/IM = heterozygous subjects or intermediate metabolizers, EM = extensive metabolizers, UM = ultrarapid metabolizers.