Table V.

MMSE score among the four groups (mean ± standard deviation).

Groups	n	1 day before surgery	3 h after surgery	1 day after surgery	3 days after surgery
F	25	26.85±3.04	22.78±2.49a,b	24.22±3.12	25.53±2.73
D	25	26.37±3.16	23.89±2.55c,d	24.86±2.48e	25.92±2.40e
DF	25	26.54±2.87	25.28±3.01c	25.85±2.75c	26.39±2.57c
C	25	26.67±2.59	21.10±2.76b	22.37±2.36b	23.43±2.38b

Compared with Group DF

^aP<0.01; compared with 1 day before operation

^bP<0.01

^dP<0.05; compared with Group C

^cP<0.01; compared with 3 h after surgery

^eP<0.05. F, flurbiprofen axetil; D, dexmedetomidine; DF, dexmedetomidine combined with flurbiprofen axetil; C, saline control.