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Table 7 Variable assignment

From: Influences of blood lipids on the occurrence and prognosis of hemorrhagic transformation after acute cerebral infarction: a case-control study of 732 patients

Variables

Assignment

Group

Group (dependent variable)

0 = ACI, 1* = HT post ACI

NIHSS

National Institutes of Health Stroke Scale

0* ≤ 4, 1 > 4

Sex

Gender

0 = female, 1* = male

Age (year)

Age

0* < 50, 1 = 50 to 70, 2 > 70

SBP

Systolic blood pressure

continuous variable

DM

Diabetes mellitus history

0 = no, 1* = yes

Hypopro

hypoproteinemia

0 = no, 1* = yes

AF

Atrial fibrillation history

0 = no, 1* = yes

TC (mmol/L)

Total cholesterol

0* = low, 1 = normal; 2 = high

TG (mmol/L)

Triglyceride

0* = low, 1 = normal; 2 = high

LDL-C (mmol/L)

Low-density lipoprotein cholesterol

0* = low, 1 = normal; 2 = high

HDL-C (mmol/L)

High-density lipoprotein cholesterol

0* < 0.86, 1 = 0.8–1.96; 2 > 1396

Site

Infarction site

0 = Anterior, 1* = posterior circulation

Size

Infarct size

0* = small, 1 = middle, 2 = large

Cortex

Cortex involvement

0* = no, 1 = yes

anti-PLT

Anti-platelet

0 = no*, 1 = aspirin 100 mg or clopidogrel 75 mg; 2 = aspirin 100 mg + clopidogrel 75 mg, 3 = aspirin 300 mg or clopidogrel 300 mg

  1. *. Reference category. ACI (acute cerebral infarction). HT (hemorrhagic transformation post ACI). NIHSS (National Institutes of Health Stroke Scale)