Gamma-glutamyl transferase levels are associated with the occurrence of post-stroke cognitive impairment: a multicenter cohort study

Table 4 Reclassification and disclination statistics for PSCI prediction by GGT levels

Clinical outcomes	Model	C-statistic		NRI		IDI
Clinical outcomes	Model	Estimate (95% CI)	P value	Estimate (95% CI)	P value	Estimate (95% CI)	P value
PSCI	Conventional model	0.71(0.68-0.73)	0.27	Ref.	0.01	Ref.	0.02
PSCI	Conventional model +GGT	0.72(0.69-0.74)	0.27	0.12(0.03-0.21)	0.01	0.003(0.001-0.01)	0.02

Conventional model: added to factor-adjusted models, including age, sex, educational level, BMI, smoking, drinking, NIHSS score at admission, history of stroke, hypertension, dyslipidemia, diabetes mellitus, coronary artery disease, atrial fibrillation, and heart failure, laboratory test of TC, TG, WBC, UA. TG, triglycerides; TC total cholesterol, WBC white blood cell count, UA uric acid, GGT gamma-glutamyl transferase, PSCI post-stroke cognitive impairment, NRI net reclassification improvement, IDI integrated discrimination improvement, OR odds ratio, CI confidence interval

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