Table 2: Comparison between the 3 study groups as regards the duration of surgery, intraoperative blood loss and intraoperative fentanyl consumption.

Variables Group C
(n=25)
Group LD
(n=25)
Group HD
(n=25)
p-value
Duration of Surgery (minutes) 208.3 ± 21.1
CI = 199.38-217.28
188 ± 13.41
CI = 182.67-193.99
128.3 ± 7.6
CI = 125.12-131.55
< 0.001*
Blood Loss (ml) 266.7 ± 42.4
CI = 248.77-284.57
229 ± 22.44
CI = 219.69-238.64
181.25 ± 18.7
CI = 173.34-189.16
< 0.001*
Fentanyl (μg) 0 27 ± 17.6
CI = 18.75-33.33
60.5 ± 12.5
CI = 55.1-65.7
< 0.001*

Data are presented as mean ± SD and as mean (95% CI) *p < 0.001 is considered highly significant