Table 5 Clinical outcomes according to the diagnosis of myocardial injury after noncardiac surgery in patients with postoperative hs-cTn I.

From: Preoperative cardiac troponin below the 99th-percentile upper reference limit and 30-day mortality after noncardiac surgery

 

Before propensity score matching

After propensity score matching

LOD

Mild elevation

LOD

Mild elevation

No diagnosed MINS (N = 3442)

Diagnosed MINS (N = 644)

No diagnosed MINS (N = 1689)

Diagnosed MINS (N = 840)

No diagnosed MINS (N = 1757)

Diagnosed MINS (N = 385)

No diagnosed MINS (N = 1527)

Diagnosed MINS (N = 684)

30-day mortality

52 (154)

65 (10.1)

47 (2.8)

87 (10.4)

29 (1.7)

43 (11.2)

44 (2.9)

76 (11.1)

HR (95%CI)

1 [Reference]

6.99 (4.86–10.07)

1.86 (1.25–2.76)

7.16 (5.08–10.10)

1 [Reference]

7.11 (4.44–11.38)

1.76 (1.10–2.81)

7.05 (4.59–10.81)

p-Value

 

 < 0.001

0.002

 < 0.001

 

 < 0.001

0.02

 < 0.001

In-hospital mortality

77 (2.2)

84 (13.0)

66 (3.9)

120 (14.3)

46 (2.6)

57 (14.8)

61 (4.0)

106 (15.5)

HR (95%CI)

1 [Reference]

2.59 (1.88–3.56)

1.36 (0.98–1.90)

3.12 (2.32–4.17)

1 [Reference]

2.61 (1.75–3.90)

1.25 (0.85–1.84)

3.03 (2.13–4.31)

p-Value

 

 < 0.001

0.07

 < 0.001

 

 < 0.001

0.25

 < 0.001

  1. Data are presented as n (%).
  2. LOD limit of detection; HR hazard ration; CI confidential interval; hs-cTn high-sensitivity cardiac troponin; MINS myocardial injury after noncardiac surgery.