Midazolam Propofol P-value Initial 97.5 ± 0.8 97.6 ± 1.0 0.391 Mean 80.5 ± 4.2 75.1 ± 10.6 0.012 Minimum 72.0 ± 5.0 64.9 ± 12.1 0.005

Table 3: Sedation level (bispectral index).