Table 1: Main results for clinical studies.
|
Author, year |
Main result |
Systematic review conclusion |
|
Body weight |
||
|
BMI |
||
|
Chatree, et al. (2020) [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral or reduction effect on BMI. |
|
Katanasaka, et al. (2020) [22] |
BMI has decreased after GT treatment (p < 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
Suliburska, et al. (2012) [25] |
BMI has decreased after GT treatment (p < 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
No significant changes (p > 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
BMI has decreased after GT treatment (p < 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Huang, et al. (2018) [31] |
No significant changes (p > 0.05) |
|
|
Weight |
||
|
Chatree, et al. (2020) [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral or reduction effect on body weight. |
|
Katanasaka, et al. (2020) [22] |
Weight has decreased after GT treatment (p < 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
Weight has decreased after GT treatment (p < 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Huang, et al. (2018) [31] |
No significant changes (p > 0.05) |
|
|
Circumferences |
||
|
Chatree, et al. (2020) [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral or reduction effect on body circumferences. |
|
Katanasaka, et al. (2020) [22] |
Circumferences decreased after GT treatment (p < 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
Suliburska, et al. (2012) [25] |
Circumferences decreased after GT treatment (p < 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2011) [27] |
No significant changes (p > 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
No significant changes (p > 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Huang, et al. (2018) [31] |
No significant changes (p > 0.05) |
|
|
Body Fat Mass |
||
|
Chatree, et al. (2020) [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral effect on body fat mass. |
|
Basu, et al. (2010) [29] |
No significant changes (p > 0.05) |
|
|
MIELGO-AYUSO et al., 2014 [30] |
No significant changes (p > 0.05) |
|
|
LEAN BODY MASS |
||
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral effect on lean body mass. |
|
Inflammatory profile |
||
|
TNF |
||
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral or reduction effect on TNF. |
|
Bogdanski, et al. (2012) [26] |
TNF has decreased after GT treatment (p < 0.05) |
|
|
IL-6 |
||
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral effect on IL-6. |
|
Basu, et al. (2011) [27] |
No significant changes (p > 0.05) |
|
|
CRP |
||
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral or reduction effect on CRP. |
|
Bogdanski, et al. (2012) [26] |
CRP has decreased after GT treatment (p < 0.05) |
|
|
Basu, et al. (2011) [27] |
No significant changes (p > 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Glycemic profile |
||
|
GLUCOSE |
||
|
Chatree, et al. (2020) [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral effect on blood glucose. |
|
Katanasaka, et al. (2020) [22] |
No significant changes (p > 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
Suliburska, et al. (2012) [25] |
No significant changes (p > 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2011) [27] |
No significant changes (p > 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
No significant changes (p > 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Huang, et al. (2018) [31] |
No significant changes (p > 0.05) |
|
|
Insulin |
||
|
Chatree, et al. 2020 [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral effect on insulin. |
|
Katanasaka, et al. (2020) [22] |
No significant changes (p > 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
Insulin has decreased after GT treatment (p < 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
HUANG, et al. (2018) [31] |
No significant changes (p > 0.05) |
|
|
HbA1c |
||
|
Chen, et al. (2016) [23] |
HbA1c has decreased after GT treatment (p < 0.05) |
The intake of GT suggests a neutral or reduction effect on HbA1c. |
|
Basu, et al., (2011) [27] |
No significant changes (p > 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
No significant changes (p > 0.05) |
|
|
HOMA-IR |
||
|
Chatree, et al. (2020) [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral or reduction effect on HOMA-IR. |
|
Katanasaka, et al. (2020) [22] |
HOMA-IR has decreased after GT treatment (p < 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
HOMA-IR has decreased after GT treatment (p < 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al., 2010 [29] |
No significant changes (p > 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Cardiovascular health |
||
|
TC |
||
|
Chatree, et al. (2020) [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral effect on TC. |
|
Katanasaka, et al. (2020) [22] |
No significant changes (p > 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
Suliburska, et al. (2012) [25] |
TC has decreased after GT treatment (p < 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2011) [27] |
No significant changes (p > 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
No significant changes (p > 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Huang, et al. (2018) [31] |
No significant changes (p > 0.05) |
|
|
TG |
||
|
Chatree, et al. (2020) [21] |
TG has decreased after GT treatment (p < 0.05) |
The intake of GT suggests a neutral or reduction effect on TG. |
|
Katanasaka, et al. (2020) [22] |
TG has decreased after GT treatment (p < 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
Suliburska, et al. (2012) [25] |
TG has decreased after GT treatment (p < 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
TG has decreased after GT treatment (p < 0.05) |
|
|
Basu, et al. (2011) [27] |
No significant changes (p > 0.05) |
|
|
HSU et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
No significant changes (p > 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Huang, et al. (2018) [31] |
No significant changes (p > 0.05) |
|
|
HDL |
||
|
Chatree, et al. (2020) [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral effect on HDL. |
|
Katanasaka, et al. (2020) [22] |
No significant changes (p > 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
Suliburska, et al. (2012) [25] |
No significant changes (p > 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2011) [27] |
No significant changes (p > 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
No significant changes (p > 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Huang, et al. (2018) [31] |
No significant changes (p > 0.05) |
|
|
LDL |
||
|
Chatree, et al. (2020) [21] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral or reduction effect on LDL. |
|
Katanasaka, et al. (2020) [22] |
No significant changes (p > 0.05) |
|
|
Chen, et al, (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
|
|
Suliburska, et al. (2012) [25] |
LDL has decreased after GT treatment (p < 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2011) [27] |
No significant changes (p > 0.05) |
|
|
HSU, et al. (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
No significant changes (p > 0.05) |
|
|
Mielgo-Ayuso, et al. (2014) [30] |
No significant changes (p > 0.05) |
|
|
Huang, et al, (2018) [31] |
LDL has decreased after GT treatment (p < 0.05) |
|
|
BP |
||
|
Chatree, et al. (2020) [21] |
BP has decreased after GT treatment (p < 0.05) |
The intake of GT suggests a neutral or reduction effect on blood pressure. |
|
Katanasaka, et al. (2020) [22] |
No significant changes (p > 0.05) |
|
|
Chen, et al. (2016) [23] |
No significant changes (p > 0.05) |
|
|
Nogueira, et al. (2016) [24] |
BP has decreased after GT treatment (p < 0.05) |
|
|
Suliburska, et al. (2012) [25] |
No significant changes (p > 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
BP has decreased after GT treatment (p < 0.05) |
|
|
Basu, et al, (2011) [27] |
No significant changes (p > 0.05) |
|
|
HSU, et al, (2011) [28] |
No significant changes (p > 0.05) |
|
|
Basu, et al. (2010) [29] |
No significant changes (p > 0.05) |
|
|
Oxidative Stress |
||
|
Nogueira, et al. (2016) [24] |
No significant changes (p > 0.05) |
The intake of GT suggests a neutral or reduction effect on oxidative stress. |
|
Suliburska, et al. (2012) [25] |
Oxidative stress has decreased after GT treatment (p < 0.05) |
|
|
Bogdanski, et al. (2012) [26] |
Oxidative stress has decreased after GT treatment (p < 0.05) |
|
GT: Green Tea; BMI: Body Mass Index; TNF: Tumor Necrosis Factor; IL-6: Interleukin 6; CRP: C-reactive Protein; HOMA-IR: Homeostatic Model Assessment for Insulin Resistance; HbA1c: Glycated Hemoglobin; TC: Total Cholesterol; TG: Triglycerides; HDL: High-Density Lipoprotein Cholesterol; LDL: Low-Density Lipoprotein Cholesterol; FFA: Free Fatty Acids; BP: Blood Pressure