Table 6. Requirement for Anesthesiologist Reattendance in Preceding Hour, as a Percentage of Epidurals at Time Reported by Study Group
*P < 0.01, **P < 0.001 chi-squared. N.B. tests of significance conducted for CSE vs. Trad and LDI vs. Trad.
Trad = traditional; CSE = combined spinal-epidural; LDI = low dose infusion.