borderline significantp = 0.239
For green tea (therapeutic), the low‐ROB subgroup was not significant (MD −0.47 μm; 95% CI: −1.29 to 0.36; I 2 = 91.7%), whereas the medium‐ROB subgroup remained borderline significant (MD −1.48 μm; 95% CI: −2.94 to −0.01; I 2 = 79.7%) and groups did not differ (Q_b = 1.39, p = 0.239) (Figure S5 ) .