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Table 1 Dichotomous variables as number of subjects, n (%), with elevated vs non-elevated cTnT, with p-values from chi square tests.

From: Determinants of cardiac troponin T elevation in COPD exacerbation – a cross-sectional study

Characteristic cTnT = 0.04
(n≥ 120)
cTnT < 0.04
(n = 321)
p-value
Gender    
   Female 51 (43) 166 (52) 0.09
ECG    
   Atrial fibrillation 20 (17) 34 (11) 0.08
Chest radiograph    
   Hyperinflation 31 (26) 99 (31) 0.31
   Infiltrate 50 (43) 77 (27) 0.001
   Cardiomegaly 69 (58) 111 (35) < 0.001
   Congestion (any sign) 53 (44) 94 (29) 0.003
Medical history    
   Myocardial infarction 35 (33) 58 (19) 0.002
   Heart failure 31 (26) 27 (8) < 0.001
   Diabetes 29 (24) 41 (13) 0.004
   Hypertension 32 (27) 75 (23) 0.47
   Thromboembolism 4 (3) 11 (3) 0.96
   Cancer 17 (14) 41 (13) 0.7
Treatment    
   LTOT 9 (8) 27 (9) 0.86
   Inhaled beta2-agonists 91 (86) 250 (88) 0.62
   Inhaled corticosteroids 60 (55) 202 (66) 0.04
   Warfarin 16 (15) 33 (11) 0.30
   Aspirin 45 (38) 93 (29) 0.09
   ACE inhibitors 32 (29) 63 (21) 0.07
   Beta-blockers 18 (16) 52 (17) 0.88
   Statins 15 (13) 55 (17) 0.24
  1. ACE – Angiotensin converting enzyme; ECG – Electrocardiogram; LTOT – Long term oxygen therapy