Relationship between cognitive function in individuals with diabetic foot ulcer and mortality

Table 3 Participant cognitive baseline characteristics and outcome

	Total Mean ± SD	Alive N = 51 Mean ± SD	Dead N = 39 Mean ± SD	P value	Odds Ratio	(95% CI)	P-value
NeuroTrax scores^a
Global Cognitive Score	90.00 ± 11.72	92.16 ± 10.95	87.18 ± 12.24	0.045	0.96	(0.93–1.00)	0.050
Memory	90.00 ± 14.41	91.43 ± 13.15	88.14 ± 15.89	0.286	0.98	(0.96–1.01)	0.283
Executive Function	91.32 ± 12.66	94.02 ± 13.11	87.79 ± 11.25	0.020	0.96	(0.92–0.99)	0.024
Attention	89.94 ± 15.30	91.95 ± 15.44	87.31 ± 14.91	0.155	0.98	(0.95–1.01)	0.157
Motor Skills	89.84 ± 17.41	91.54 ± 16.89	87.47 ± 18.08	0.288	0.99	(0.96–1.01)	0.286
Reaction time	91.47	94.62	87.40 ± 14.92	0.015	0.96	(0.93–0.99)	0.019
Non-Verbal IQ (Problem solving)	96.84 ± 14.27	98.19 ± 14.97	95.08 ± 13.28	0.309	0.98	(0.96–1.01)	0.305
Digit symbol substitution test^c	6.06 ± 3.01	6.78 ±3.25	5.13 ± 2.41	0.009	0.81	(0.68–0.96)	0.014
Verbal Fluency-Phonemic^b	− 2 ± 1	− 2 ± 1	− 2 ± 1	0.579	0.92	(0.68–1.24)	0.576
Verbal Fluency-Semantic^b	− 1 ± 1	− 1 ± 1	− 1 ± 1	0.897	0.97	(0.66–1.44)	0.896

CI confidence interval, SD standard deviation
^a Adjusted for age and years of education; ^b standardized for age, presented as Z-scores; ^c Standardized for age

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