Table 1

Study phase 2 and 3: baseline parameters*

Baseline variables (study phase 2)NoviceExpert
Number of anaesthetists56
Age in years, median (minimum, maximum)27 (24–32)53 (44–57)
Sex (M/F)5/36/2
Anaesthesia experience in years, median (minimum, maximum)122.5 (12–25)
Number of epidurals in past 5 years, median (minimum, maximum)5 (2–12)2000(1000–2500)