Oxygen therapy in patients with ST elevation myocardial infarction based on the culprit vessel: results from the randomized controlled SOCCER trial

Table 4 CMRI results and the median peak Troponin T in relation to the ECG findings

Measures [mean (SD)]	O₂ group (n = 46)		Air group (n = 49)		P -value for the difference
Measures [mean (SD)]	AAA (n = 22)	N-AAA (n = 24)	AAA (n = 23)	Non-AAA (n = 26)	AAA	N-AAA
MaR % of LV	34.8 (10.8)	29.2 (8.4)	37.1 (11.9)	23.7 (7.5)	0.401	0.021
MSI %	48.8 (25.3)	58.6 (24.5)	47.9 (26.9)	50.6 (21.3)	0.964	0.286
IS % of LV	18.6 (11.2)	13.0 (9.1)	20.7 (13.0)	11.8 (6.6)	0.482	0.641
IS ml	25.0 (17.5)	16.6 (12.6)	26.8 (19.2)	14.2 (9.1)	0.803	0.560
hs-cTnT [median (IQR)]	3487.5 (6035.3)	3039.0 (3705.8)	3862.0 (7458.0)	1079.0 (2726.5)	0.910	0.074

AAA Anterior/Anteroseptal/Anterolateral, CMRI Cardiac Magnetic Resonance Imaging, hs-cTnT High-Sensitive Cardiac Troponin T, IS Infarct Size, IQR Interquartile range, LV Left Ventricle, MaR Myocardium at Risk, ml Milliliters, MSI Myocardial Salvage Index, O₂ Oxygen, N-AAA Non-Anterior/Anteroseptal/Anterolateral, SD Standard Deviation

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