Table 1.

Main characteristics and key results of 3 studies included in meta-analysis.

Study	City, Country	N	Age (ys), median (IQR)	Cardiac injury definition	Adjusted hazard ratio for mortality (95% CI)
Petrilli et al.7	NY, USA	2737	63 (51–74)	Admission troponin I	1.6 (1.3, 1.9)*
				>0.1 ng/mL
Shi et al.8	Wuhan, China	671	63 (50–72)	Admission troponin I	4.6 (1.3, 16.3)
				>0.026 ng/mL
Li et al.9	Wuhan, China	548	60 (48–69)	Troponin I	2.9 (1.8, 4.8)
				>0.0156 ng/mL

^⁎pooled estimate.