Table 3.

Characteristics of spinal anesthesia in the study groups with 95% CI.

Evaluated parameters	Isobaric bupivacaine (1B) n = 37 Mean (SD) [lower and upper 95% CI]	Levobupivacaine(2L) n = 37 Mean (SD) [lower and upper 95% CI]	Hyperbaric bupivacaine (3H) n = 37 Mean (SD) [lower and upper 95% CI]
Without additional intraoperative anesthesia (patients)	37 [0.88–1.0]	31 [0.68–0.92]	27 [0.56–0.84]
Complete sensory block (patients)	37 [0.88–1.0]	33 [0.74–0.96]	37 [0.88–1.0]
Complete motor block (patients)	37 [0.88–1.0]	32 [0.71–0.94]	37 [0.88–1.0]
Time to develop a complete sensory block (min)	4.72 (3.1) [3.68–5.75]	9.72 (5.01) [8.04–11.39]	3.58 (1.85) [2.96–4.19]
Time of development of the full motor block (min)	9.35 (4.86) [7.78–10.9]	17.12 (8.89) [14.15–20.08]	4.66 (3.51) [3.48–5.83]
Duration of analgesia (min)	245.59 (47.64) [229.7–261.4]	248.61 (80.53) [221.76–261.4]	173.89 (66.93) [151.57–196.2]
Duration of motor block (min)	228.72 (55.05) [210.3–247]	242 (67.02) [219.65–264.34]	180.05 (47.68) [164.15–195.94]

CI confidence interval, SD standard deviation.