Table 2. Study analysis table for the considered studies of reference.

TC – total cholesterol, LDL-C – Low-density lipoprotein cholesterol, HDL-C - high-density, lipoprotein cholesterol, BP – blood pressure, SBP – systole blood pressure, DBP – diastole blood pressure, CVD – cardiovascular diseases, vs – versus

Author	Aims of the Study		Intervention	Outcomes of the Study (Intervention vs. Control)
Xu et al. (2020) [1]		Assess the effect of green tea on total cholesterol, LDL, HDL, and triglyceride levels	80 to 2488.7 mg/d green tea catechin	TC: -4.66 mg/dL to -2.96 mg/dL LDL-C:  -4.55 to -2.80 mg/dL HDL-C: nil
Xu et al. (2022) [2]		Effects and benefits of green tea on blood pressure	208 to 1344 mg/d green tea catechin	SBP: - 2.18 vs -1.17 mmHg DBP: -2.07 vs 1.24 mmHg
Abe et al. 2021 [6]		Outcomes of green tea focusing on diabetes, cancer sites, and cardiovascular disease	One to three cups of green tea consumption	Risk of CVDs: 36% vs 17 % reduction, SBP: -2.1 vs -1.92 mmHg DBP: -1.92 to 1.7 mmHg
Kishimoto et al. (2020) [7]		The associations between the consumption of green tea and coffee and the prevalence of coronary artery disease	Green tea consumption	CVD risk decrease: 3cups/day vs 1cup/day : 0.54 vs 0.3-0.98
Chung et al. (2020) [10]		To provide comprehensive and updated evidence on the relation between tea consumption and risks of CVD and all-cause mortality.	338 mg green tea consumption	CVD Mortality: 4% vs 2% lower risk
Yang et al. (2018) [15]		To examine the benefits of green tea	300mg green tea consumption	CVD Risk: -28% vs nil
Monnier et al. (2022) [19]		The health benefits of green tea	Three to ten cups/day green tea consumption	CVD Mortality: -28% vs 14% BP: -6.5% LDL-C: -2.6%
Abby et al. (2021) [20]		Evaluation of data on reduced CVD risks and their severity by green tea	236.6 mL green tea consumption	CVD Mortality: 0.98 vs 0.96 TC: -5.47 vs -1.67 mg/dL LDL-C: -11.02 VS -3.21 mg/dL HDL-C: -1.12 vs -0.38 mg/dL SBP: -2.80 vs -1.8 mmHg DBP: -3.06 vs – 1.27 mmHg
Teramoto et al. (2021) [21]		The beneficial health effects and possible mechanisms involved	Green tea consumption	CVD Mortality: 4% vs 2% lower risk SBP: Not indicated DBP: Not indicated
Huang et al. (2018) [22]		To examine the effects of green tea extract.	Green tea extract	LDL-C: -25.7% vs 4.8