Pain Research and Management / 2021 / Article / Tab 1

Research Article

Ultrasound-Guided Pudendal Nerve Block Combined with Propofol Deep Sedation versus Spinal Anesthesia for Hemorrhoidectomy: A Prospective Randomized Study

Table 1

Demographic data and duration of surgery.

Patient characteristicsGroup SA (n = 60)Group PNB (n = 58)-value

Age, y (SD)41 (11)40 (10)0.742
Weight, kg (SD)58.7 (8.7)56.3 (7.8)0.109
Height, cm (SD)162 (6.5)161 (6.8)0.310
ASA status, I/II35/2530/280.472
Grades of hemorrhoids (III/IV), no. of patients34/2632/260.870
Operation time, minutes (SD)43 (7)44 (8)0.306

Group SA: the patients received spinal anesthesia; Group PNB: the patients received bilateral pudendal nerve block combined with propofol sedation; ASA: American Society of Anesthesiologists; SD: standard deviation.