Fig. 4

Postoperative Cognitive Function Recovery (POCD) (A: POCD scores at 24, 48, and 72 h in the remimazolam and propofol groups; B: Incidence of cognitive dysfunction at 24, 48, and 72 h in the remimazolam and propofol groups.Statistical significance: p < 0.05 for all comparisons between groups)