Table 4. Amplitudes (in mV) of H-Reflex, M-Response, and H/M Ratio in 10 Patients (Group 3) at Baseline (T0) and 3 min (T1) and 10 min (T2) after Reaching a Propofol Effect-site Concentration of 9 μg/ml

*P < 0.01 versus  T0 and versus  T1.

†P < 0.002 versus  T0