Table 1 The Search Strategy in PubMed, Scopus, and Web of Science Databases Conducted on October 2nd, 2023

SCOPUS

TITLE-ABS-KEY ( ( retinopathy OR "Retinal Disease*" OR neuropathy OR nephropathy OR "kidney disease*" OR ckd OR "microvascular complication*")

AND ( apolipoprotein* OR lipoprotein* OR hdl OR ldl OR triglyceride* OR triacylglycerol* OR epicholesterol* OR cholesterol*)

AND ( variation* OR variability*))

1710

PubMed

(retinopathy[Title/Abstract] OR "Retinal Diseases"[Mesh] OR "Retinal Disease"[tiab] OR neuropathy[Title/Abstract] OR "Kidney Diseases"[Mesh] OR nephropathy[Title/Abstract] OR kidney[Title/Abstract] OR CKD[Title/Abstract] OR kidney disease[Title/Abstract] OR "microvascular complication"[Title/Abstract])

AND ("Apolipoproteins"[Mesh] OR apolipoprotein[Title/Abstract] OR "Lipoproteins"[Mesh] OR lipoprotein[Title/Abstract] OR "Lipoproteins, HDL"[Mesh] OR HDL[Title/Abstract] OR "Lipoproteins, LDL"[Mesh] OR LDL[Title/Abstract] OR "Triglycerides"[Mesh] OR Triglyceride*[Title/Abstract] OR Triacylglycerol*[tiab] OR "Cholesterol"[Mesh] OR Epicholesterol[tiab] OR Cholesterol*[Title/Abstract])

AND

(variation[Title/Abstract] OR variability[Title/Abstract])

547

Web of Science

(TI = ( retinopathy OR "Retinal Disease*" OR neuropathy OR "Kidney Disease*" OR nephropathy OR CKD OR "microvascular complication*") OR AB = ( retinopathy OR "Retinal Disease*" OR neuropathy OR "Kidney Disease*" OR nephropathy OR CKD OR "microvascular complication*"))

AND

(TI = ( Apolipoprotein* OR lipoprotein* OR HDL OR LDL OR Triglyceride* OR Triacylglycerol* OR Cholesterol* OR Epicholesterol*) OR AB = ( Apolipoprotein* OR lipoprotein* OR HDL OR LDL OR Triglyceride* OR Triacylglycerol* OR Cholesterol* OR Epicholesterol*))

AND

(TI = (Variation OR variabilit*) OR AB = ( Variation OR variabilit*))

297