Fig. 4From: Ultrasound-guided stellate ganglion block benefits the postoperative recovery of patients undergoing laparoscopic colorectal surgery: a single-center, double-blinded, randomized controlled clinical trialVAS scores at different time point (6 h, 12 h, 24 h, 48 h) after surgery between Control group and SGB group. VAS, Visual Analogue Scale. SGB, stellate ganglion block. Data are presented as mean ± SD. **Means a significant P value (p < 0.01)Back to article page