Table 1 Clinical data between the death group and the survival group following up for 3 and 6 months

n

22

138

31

107

Male sex(%)

12 (54.55)

62 (48.44)

0.71

0.40

17(54.84)

50(46.73)

0.63

0.43

Age(years)

73.63 ± 7.59

74.03 ± 7.93

1.38

0.17

74.00 ± 7.68

76.57 ± 7.72

1.63

1.11

Education level(years)

8.23 ± 3.65

7.88 ± 3.73

0.41

0.68

8.35 ± 3.38

7.69 ± 3.71

0.89

0.37

CCI score

11.36 ± 3.85

10.63 ± 4.11

0.78

0.43

13.12 ± 5.55

9.49. ± 3.14

0.67

 < 0.01*

Hypertension,n(%)

10 (45.46)

59 (42.75)

0.06

0.81

15(48.39)

43(40.19)

0.66

0.42

Diabetes n(%)

11 (50.00)

43 (31.16)

3.01

0.08

14(45.16)

37(34.58)

1.16

0.28

Duration of ICU(d)

9.50 ± 2.67

9.18 ± 2.49

0.55

0.58

9.71 ± 2.58

9.11 ± 2.46

1.18

0.24

APACHEII score

16.50 ± 4.21

14.22 ± 5.01

2.03

0.045*

15.38 ± 4.59

13.76 ± 4.88

1.66

0.09

PS score

163.41 ± 39.99

132.14 ± 41.81

3.28

 < 0.01*

171.71 ± 41.31

135.03 ± 40.40

2.01

0.046*

SOFA score

10.73 ± 4.26

11.02 ± 4.15

0.31

0.76

11.32 ± 4.16

10.87 ± 4.32

0.52

0.61

Vasoactive drug (mg)

359.09 ± 136.48

272.48 ± 146.45

2.60

0.01*

332.58 ± 147.44

269.18 ± 140.81

2.18

0.03*

duration of mechanical ventilation(h)

168.84 ± 36.54

170.67 ± 32.45

3.60

0.73

168.64 ± 31.50

170.24 ± 41.34

2.50

0.65

partial pressure of oxygen(mmHg)

79.00 ± 13.40

80.99 ± 13.79

0.63

0.53

77.65 ± 14.41

81.10 ± 12.44

1.32

0.19

PCT

6.53 ± 5.17

5.92 ± 4.98

0.53

0.60

5.72 ± 4.99

6.13 ± 5.01

0.40

0.69

BNP

4643.18 ± 6056.01

4101.23 ± 5464.04

0.42

0.61

5443.23 ± 6711.19

3706.73 ± 5014.32

0.42

0.61

albumin (g/L)

24.14 ± 3.64

23.75 ± 3.87

0.43

0.67

23.48 ± 3.31

23.80 ± 3.94

0.41

0.68

Hb(g/L)

83.59 ± 15.29

7.88 ± 3.73

0.38

0.70

84.19 ± 16.09

81.66 ± 15.15

0.81

0.42

Number of children

3.14 ± 0.99

3.01 ± 1.01

0.53

0.60

3.13 ± 0.9\2

3.01 ± 1.03

0.58

0.56

Medical consultations

1.27 ± 1.20

2.21 ± 1.63

2.60

0.01*

1.74 ± 1.61

2.36 ± 1.61

1.87

0.69