CRP and angina pectoris: This study has 9 outcome indicators, which are 5 critical outcome indicators: effectiveness of clinical treatment, TC, TG, HDL-C, LDL-C and 4 important outcome indicators: frequency of angina pectoris, duration of angina pectoris, CRP, and adverse reactions; the GRADE system evidence level of each outcome and the reasons for the promotion and demotion are shown in Table 5.