Risk of Neurodegenerative Diseases in Elderly Koreans with an Initial Diagnosis of Type 2 Diabetes: A Nationwide Retrospective Cohort Study

Table 1

Characteristics of study subjects before and after propensity score matching (PSM).

Variables	Before PSM			After PSM
	Control group	T2D group	value	Control group	T2D group	value
Sex			<0.01			0.46
Male (%)	385,783 (49.8)	77,716 (48.2)		76,091 (49.0)	75,885 (48.8)
Female (%)	389,257 (50.2)	83,588 (51.8)		79,368 (51.0)	79,574 (51.2)
Age			<0.01			<0.01
CCI total			<0.01			<0.01

T2D: type 2 diabetes; CCI: Charlson comorbidity index.