Effect of remote ischemic preconditioning on perioperative neurocognitive disorder in elderly patients undergoing major surgery and associated genetic variant analysis: a randomized clinical trial

Table 3 The incidence of PND is expressed as a number (proportion)

Variable	Control Group (n = 57)	RIPC Group (n = 59)	P value
Auditory Word Memory Test	9 (16)	13 (22)	0.391
Stroop test
Reading Time	8 (14)	6 (10)	0.523
Error number	4 (7)	7 (12)	0.373
Digit span test
Positive	10 (18)	12 (20)	0.701
Reverse	4 (7)	4 (7)	0.960
Digit Symbol Substitution Test
Total number	17 (30)	16 (27)	0.747
Number of Errors	2 (4)	4 (7)	0.426
Number of Corrects	10 (18)	17(29)	0.151
Verbal Fluency Test	8 (14)	6(10)	0.523
Word Recall Test	7 (12)	4 (7)	0.312
PND, n (%)	25 (44)	26((44)	0.982

Note: Subjects whose postoperative scores declined by one standard deviation or more as compared to their preoperative scores were defined as having PND

ISSN: 2047-0525