Table 1 Patient baseline characteristics according to discharge diagnosis and overall

Sex Male

22 (26.2 %)

93 (54.1 %)

115 (44.9 %)

Female

62 (73.8 %)

79 (45.9 %)

141 (55.1 %)

Age (Y)-mean

62.19 (SD = 11.4)

63.7 (SD = 11.1)

63.2 (SD = 11.2)

0.316

Age Strata <50 year

13 (15.5 %)

21 (12.2 %)

34 (13.3 %)

0.564

51–70 year

49 (58.3 %)

96 (55.8 %)

145 (56.6 %)

>70 year

22 (26.2 %)

55 (31.9 %)

77 (30.1 %)

Race Sinhala

61 (72.6 %)

151 (87.8 %)

212 (82.8 %)

Muslim

15 (17.9 %)

17 (9.9 %)

32 (12.5 %)

Tamil

8 (9.5 %)

4 (2.3 %)

12 (4.7 %)

Presentation

Chest pain

75 (89.3 %)

149 (86.6 %)

224 (87.5 %)

0.546

Shortness of breath

1 (1.2 %)

6 (3.5 %)

7 (2.7 %)

0.290

Median time to present (minutes)

60

120

120

0.058

Presenting time >6 h

12 (14.3 %)

34 (19.8 %)

46 (18 %)

0.480

Delay at transfer in minutes (median)

120, IQR = 397.2

240, IQR = 720

180, IQR = 634.8

0.334

Risk Factors

Coronary artery disease/MI

7 (8.3 %)

46 (26.7 %)

53 (20.7 %)

0.001

Heart Failure

7 (8.3 %)

19 (11.2 %)

26 (10.2 %)

0.059

Stroke

0 (0 %)

7 (4.1 %)

7 (2.8 %)

0.158

Family History Of Cardio Vascular Disease

19 (22.6 %)

32 (18.9 %)

51 (20.1 %)

0.355

History of PCI or CABG

1 (1.2 %)

0 (0 %)

1 (0.4 %)

0.155

Hypertension

26 (31 %)

99 (57.6 %)

125 (48.8 %)

0.001

Dyslipidemia

7 (8.3 %)

12 (7 %)

19 (7.4 %)

0.726

Diabetes Mellitus

27 (32.1 %)

64 (37.2 %)

91 (35.5 %)

0.371

BMI mean

24.63 (SD = 5.287)

23 (SD = 3.687)

23.51 (SD = 4.312)

0.018

Normal BMI (<23 kg/m2)

34 (40.5 %)

86 (50 %)

120 (46.9 %)

Over Weight (BMI 23–27 kg/m2)

31 (36.9 %)

61 (35.5 %)

92 (35.9 %)

Obese (BMI >27 kg/m2)

19 (22.6 %)

25 (14.5 %)

44 (17.2 %)

Waist circumference (mean) in cm

85.61

83.54

84.23

0.092

Current Smoker

17 (20.2 %)

12 (7 %)

29 (11.3 %)

0.001

Alcohol Misuse

23 (27.4 %)

25 (14.5 %)

48 (18.8 %)

0.035