Table 1 Calculation formula for blood lipid changes.

From: Association of ABCB1 G2677T polymorphism with atorvastatin lipid efficacy and extended prognosis in patients with cerebral ischemic stroke

Changes in blood Lipids

Calculation formula

ΔHDL-C

HDL-C after treatment minus HDL-C before treatment

ΔLDL-C

LDL-C after treatment minus LDL-C before treatment

ΔHDL-C/HDL-C

HDL-C after treatment minus HDL-C before treatment, and then divided by HDL-C before treatment

ΔLDL-C/LDL-C

LDL-C after treatment minus LDL-C before treatment, and then divided by LDL-C level before treatment

Δ(LDL-C/HDL-C)

The ratio of LDL-C/HDL-C after treatment minus the ratio of LDL-C/HDL-C before treatment

Δ(LDL-C/HDL-C)/(LDL-C/HDL-C)

The ratio of LDL-C/HDL-C after treatment minus the ratio of LDL-C/HDL-C before treatment, and then divided by the ratio of LDL/HDL before treatment

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