Fig. 2

The scores of NRS of dynamic pain, BCS, MMSE, and Ramsay in postoperative evaluation. ^*P < 0.05 presented the comparison between the pre-ICNB and the post-ICNB group. When compared with scores in the post-ICNB group, the pre-ICNB group had a lower score of MMSE (P = 0.048) and a lower incidence of fidgety in Ramsay score (P = 0.019) in postoperative 6 h. NRS, Numeric rating scales; BCS, Bruggrmann comfort scale; MMSE, Mini-mental state examination