HR	hazard ratio
aHR	adjusted hazard ratio
CI	confidence interval
RCT	randomized controlled trial
PSM	propensity score matching
ICD-9-CM	International Classification of Diseases, Ninth Revision, Clinical Modification
ICD-10-CM	International Classification of Diseases, Tenth Revision, Clinical Modification
OS	overall survival
CCI	Charlson comorbidity index
ESRD	end-stage renal disease
IQR	interquartile range
SD	standard deviation
NTD	New Taiwan dollar
N	number
y	years old
aDCSI	adapted Diabetes Complications Severity Index
SMD	standardized mean difference
NHI	National Health Insurance
NHIRD	National Health Insurance Research Database