Table 1 Baseline characteristics for the total population and each group (mean ± standard deviation)

Total population (%)

145 (73.98)

25 (12.76)

26 (13.27)

51 (26.02)

Male gender (%)

95 (66)

16 (12.8)

14 (10.94)

30 (24)

Female gender (%)

50 (70.42)

9 (12.68)

12 (16.9)

21 (29.58)

Age

72.43 ± 8.97

72.36 ± 8.48

71.00 ± 8.99

71.65 ± 9.76

Course of disease

17.09 ± 13.51

15.04 ± 12.04

17.88 ± 12.82

16.55 ± 1.95

Hospital stays

13.58 ± 7.88

12.80 ± 8.43

19.37 ± 11.25 *^#

16.71 ± 13.49

Death (%)

9 (6)

4 (16)

3 (12)

7 (13.73)

Comorbidities

 Hypertension (%)

39 (27)

7 (28)

15 (58)

22 (43.13)

 CHD (%)

31 (21)

7 (28)

13 (50)

20 (39.22)

Laboratory values (at admission)

 Troponin (ng/ml)

0.09 ± 0.29

0.11 ± 0.39

0.37 ± 0.06 *^#

0.25 ± 0.45

 D-Dimer (µg/mL)

1.94 ± 2.11

1.61 ± 1.13

1.52 ± 0.86

1.56 ± 1.49

 PaO2 (mmHg)

60.98 ± 15.05

51.66 ± 13.54**

57.11 ± 14.83

55.98 ± 14.19*

 Hb (g/l)

130.28 ± 20.41

131.04 ± 13.57

128.42 ± 27.78

130.02 ± 29.51

 BNP (pg/ml)

318.39 ± 625.66

414.16 ± 705.81

384.38 ± 761.74

399.47 ± 799.45