SAB ESP RIB χ2 P
Nausea (n/%) 4 (13.33%) 3 (10%) 3 (10%) 0.225 0.894
Vomiting (n/%) 2 (6.67%) 1 (3.33%) 1 (3.33%) 0.523 0.770
block-related complications (n/%) 0 0 0