Postoperative acute pain
cough, pain
There was no significant difference at the rest and cough NRS scores between the two groups at the time of PACU admission (P > 0.05). Compared with group A, the rest and cough NRS scores of group B at 2 h, 6 h, 12 h, 24 and 48 h after operation were significantly decreased (P < 0.05), as shown in Table 
Postoperative numerical rating scale (NRS) pain scores(score, 
Postoperative numerical rating scale (NRS) pain scores(score, Compared with group A, The frequency of PCIA use, and the frequency of rescue analgesia at 24 h after operation in group B were significantly lower (P < 0.05), as shown in Table 
PCIA use and rescue analgesia