Cerebral oxygen saturation after multiple perioperative influential factors predicts the occurrence of postoperative cognitive dysfunction

Table 2 Neuropsychological test scores of control group on baseline and second assessment day (7 days later)

	Baseline (n = 20)	7 days later (n = 20)
MMSE	28.00 ± 1.69	28.70 ± 1.26
Digital span test	13.40 ± 2.28	13.75 ± 2.07
Word recognition memory test	2.27 ± 0.48	2.20 ± 0.59
Digit symbol substitution test	31.20 ± 4.53	31.40 ± 4.60
Trail making test A (s)	41.95 ± 6.44	41.65 ± 8.43
Stroop color word interference	38.35 ± 5.97	41.35 ± 5.88
Verbal fluency test	18.90 ± 3.16	18.95 ± 3.35

ISSN: 1471-2253