Table 3

Two-year mortality and readmission for heart failure and acute coronary syndrome in three groups of patients

Type 1 MI (n=376)Type 2 MI (n=194)NIMI (n=440)p Value
Follow-up duration among survivors, median (IQR), years1.9 (1.5–2.4)2.0 (1.3–2.4)1.7 (1.0–2.3)
Heart failure readmissions at 2 years, No. (%)26 (6.9)32 (16.5)54 (12.3)<0.001
Adjusted HR (95% CI) for type 2 MI versus type 1 MI1.55 (0.87 to 2.76)0.133
Adjusted HR (95% CI) for NIMI versus type 1 MI1.15 (0.70 to 1.90)0.580
Acute coronary syndrome readmissions at 2 years, no. (%)54 (14.4)4 (2.1)19 (4.3)<0.001
Adjusted HR (95% CI) for type 2 MI versus type 1 MI0.11 (0.04 to 0.31)<0.001
Adjusted HR (95% CI) for NIMI versus type 1 MI0.22 (0.12 to 0.41)<0.001
Total deaths in follow-up74 (19.7)77 (39.7)176 (40)<0.001
Adjusted HR (95% CI) for type 2 MI versus type 1 MI1.41 (1.02 to 1.94)0.038
Adjusted HR (95% CI) for NIMI versus type 1 MI1.54 (1.16 to 2.04)0.002
  • MI, myocardial infarction; NIMI, non-ischaemic myocardial injury.