A 52-year-old woman with no history of cardiovascular disease has an LDL-C of 5.4 mmol/L, HDL-C 1.3 mmol/L and triglycerides 1.4 mmol/L. She is a non-smoker with normal blood pressure and no diabetes. According to the 2021 CCS dyslipidaemia guideline, what is the most appropriate management regarding lipid-lowering therapy?