Table 5: Pre- and postoperative levels of percentage of reduction of serum cortisol in the two studied groups.

Serum Cortisol (μg/dL) Group B
(n=30)
Group BD
(n=30)
p value
    Preoperative 16.3 ± 1.4 16.1 ± 1.4 0.691
    Postoperative 14.4 ± 1.8 8.6 ± 1.1 < 0.001
Percentage reduction -12.9 (-34.2 – 6.5) -46.7 (-55.4 – 35.9) < 0.001