Table 1. Case, Patient, and Provider (Subject) Demographics
* CRNA indicates Certified Registered Nurse Anesthetist. CA indicates residents in their second (2) or third (3) year of training. The number after the hyphen indicates a specific anesthesia provider to identify which anesthesia providers performed more than one case (e.g. , CA3-1 and CRNAs 1–6 were the anesthesia providers in more than one case).
† The videotapes of case 18 inadvertently became unavailable to the second observer. Data for this case was only available for OB1-OR and OB1-VID.
‡ Mean ± standard error of the mean, OB1: n = 20, OB2: n = 19.