Parameters

Group I with QRS distortion or fragmentation (n = 91)

Group II with QRS distortion and fragmentation (n = 58)

Group III without QRS distortion or fragmentation (n = 66)

P-value

Age [years] Mean ± SD

56.33 ± 9.66

54.83 ± 8.726

57.33 ± 4.131

0.228*

Gender (NO & %)

Male

Female

61 (67.03%)

30 (32.97%)

40 (68.97%)

18 (31.03%)

42 (63.63%)

24 (36.36%)

0.813

Smoking (NO & %)

52 (57.14%)

31 (53.44%)

37 (56.06%)

0.905

Family History of CAD (NO & %)

20 (21.97%)

14 (24.13%)

14 (21.21%)

0.921

BMI [kg/m²]

35.2 ± 4.4

34.9 ± 4.3

34.8 ± 4.6

0.840*

Hypertension (NO & %)

56 (61.5%)

33 (62.2%)

39 (59.09%)

0.889

Diabetes mellitus (NO & %)

69 (75.82%)

45 (77.58%)

37 (56.06%)

0.010

Dyslipidemia (NO & %)

47 (51.64%)

29 (50%)

34 (51.51%)

0.978

Heart rate (beats/min)

81.5 ± 16.5

84.6 ± 17.5

79.4 ± 17.2

0.310*

Mean arterial blood pressure (mmHg)

90.3 ± 6.8

88.2 ± 5.4

91.6 ± 7.4

0.781*

Creatinine level (mg/dl)

0.9 ± 0.9

1.1 ± 0.4

0.9 ± 0.6

0.881*

Maximum troponin I level (ng/ml) Mean ± SD

132.268 ± 41.827

146.024 ± 39.819

106.659 ± 38.726

0.039*

MPO level (ng/ml) Mean ± SD

401.123 ± 69.368

428.182 ± 47.824

188.446 ± 103.434

0.001*

LV ejection fraction %

51.23 ± 8.46

47.81 ± 7.26

58.30 ± 4.25

0.02*

SYNTAX score Mean ± SD

30.3 ± 5.57

32.91 ± 5.29

18.5 ± 6.8

0.001*

ST-resolution ratio (%)

60.8 ± 21.5

53.5 ± 12.7

74.2 ± 16.7

0.001*

In-hospital mortality (NO & %)

3 (3.2)

5 (8.6)

1 (1.5)

0.03