Fig. 3

Forest plots comparing of the proportion of patients with elevated troponin I or troponin T levels in the severe disease/ICU group and in the non-severe disease/non-ICU group (a), the troponin I levels in the severe disease/ICU group and in the non-severe disease/non-ICU group (b), and the proportion of patients with elevated troponin I or troponin T levels in the survivors and non-survivors groups (c). ICU, intensive care unit; RR, risk ratios; SMD, standard mean