Table1 Clinical, electrocardiographic, laboratory, and computed tomographic findings

Age, y, mean

67.98 ± 12.02

61.80 ± 14.94

0.058^b

Gender, male

29(59.2)

18(72.0)

0.318 ^a

Prior DVT

5(10.2)

4(16.0)

0.476 ^a

Previous surgery/trauma

9(18.4)

9(36.0)

0.151 ^a

Previous tumour

3(6.12)

1(4.0)

0.703^a

Smoking

9(18.4)

6(24.0)

0.559 ^a

Previous COPD

6(12.2)

1(4.0)

0.411 ^a

Hypertension

24(49.0)

13(52.0)

0.806^a

Diabetes mellitus

6(12.2)

5(20.0)

0.492 ^a

Previous CAD

9(18.4)

2(8.0)

0.314 ^a

Bp(systolic) < 100 mmHg

5(10.2)

6(24.0)

0.167^a

SaO₂ < 90%

8(16.3)

10(40.0)

0.043 ^a

Thrombolytic therapy

6(12.2)

14(56.0)

 < 0.010 ^a

Major bleeding requiring transfusion

0(0)

2(8.0)

0.111 ^a

RV/LV ratio

1.17 ± 0.48

1.51 ± 0.52

0.006^b

Syncope

4(8.2)

7(28.0)

0.039 ^a

Intermediate high risk

25(51.0)

20(80.0)

0.023 ^a

Tachycardia

22(44.9)

16(64.0)

0.145 ^a

S1Q3T3

10(20.4)

8(32.0)

0.39 ^a

RBBB

10(20.4)

3(12.0)

0.523 ^a

Atrial fibrillation or flutter

3(6.12)

1(4.0)

0.703 ^a

Qr in V1

5(10.2)

2(8.0)

0.759^a

NTW in V1–V3

8(16.3)

12(48.0)

0.006 ^a

QTc prolongation

16(32.7)

13(52.0)

0.134 ^a

Clockwise rotation

4(8.2)

6(24.0)

0.078 ^a

WBC, × 109/L

7.60(5.85–8.95)

10.30(8.30–13.30)

0.000 ^c

Haemoglobin, g/L

126.08 ± 19.10

123.48.10 ± 22.52

0.604^b

BNP, pg/mL

393.25 ± 374.87

648.66 ± 478.70

0.014^b

D-dimer,ug/mL

4.90(3.35–7.16)

6.08(4.13–17.11)

0.315 ^c

Troponin I positive

44(89.7)

22(88.0)

0.814 ^a

Serum Creatinine, umol/L

70.6(62.80–97.90)

66.0(55.70–77.25)

0.177 ^c

Length of hospital stay, days

11(9–13)

12(9.5–13.5)

0.094 ^c