borderline significancep = 0.05
Subgroup analysis revealed that cerebrovascular disease was associated with mortality (RR 2.38 [1.92,2.96], p <0.001; I 2 : 0%) and showed borderline significance for severe COVID-19 (RR 1.88 [1.00,3.51], p = 0.05; I 2 : 87%).