Table 2 Baseline characteristics of the survivors and Non-survivors groups

Age, years

67.09 ± 12.22

66.83 ± 12.19

73.38 ± 11.40

< 0.001

Male, n (%)

1654(64.63)

1596(64.88)

58(58.59)

0.24

BMI, kg/m2

29.65 ± 6.93

29.74 ± 6.98

27.38 ± 5.27

< 0.001

SOFA score

3.00(2.00,5.00)

3.00(2.00,5.00)

5.00(3.00,7.00)

< 0.001

SAPS II

32.00(25.00,40.00)

32.00(25.00,40.00)

46.00(35.50,55.00)

< 0.001

APS III

37.00(28.00,48.00)

36.00(27.00,47.00)

54.00(40.00,69.00)

< 0.001

SIRS score

3.00(2.00,3.00)

3.00(2.00,3.00)

3.00(2.00,4.00)

< 0.001

Comorbidities, n (%)

 AMI

1281(50.06)

1213(49.31)

68(68.69)

< 0.001

 DM

1279(49.98)

1242(50.49)

37(37.37)

0.01

 Hypertension

1390(54.32)

1341(54.51)

49(49.49)

0.38

 AF

841(32.86)

781(31.75)

60(60.61)

< 0.001

 COPD

439(17.16)

421(17.11)

18(18.18)

0.89

 AKI^a

455(17.78)

426(17.32)

29(29.29)

< 0.01

 CKD

687(26.85)

668(27.15)

19(19.19)

0.10

 PCI

588(22.98)

559(22.72)

29(29.29)

0.16

Length of stay

 Hospital

6.79(4.14,11.05)

6.78(4.14,10.99)

7.35(3.96,12.22)

0.37

 ICU

2.20(1.25,4.15)

2.16(1.24,4.03)

4.96(2.33,8.62)

< 0.0001

Laboratory tests

 WBC, K/uL

10.80(8.10,13.90)

10.60(8.00,13.70)

14.30(10.50,18.15)

< 0.001

 Serum sodium, mEq/L

137.99 ± 3.94

138.01 ± 3.90

137.36 ± 4.72

0.18

 Serum potassium, mEq/L

4.24 ± 0.74

4.23 ± 0.74

4.28 ± 0.81

0.54

 Scr, mg/dL

1.00(0.80,1.50)

1.00(0.80,1.50)

1.40(1.00,1.85)

0.20

 Glucose, mg/dL

142.00(113.00,188.00)

141.00(112.00,185.00)

201.00(128.50,295.50)

< 0.001

 HbA1c, %

6.20(5.70,7.10)

6.20(5.70,7.10)

6.00(5.75,6.65)

0.02

 LDL, mg/dL

80.00(58.49,105.00)

80.77(59.00,105.78)

76.00(51.35,93.22)

0.01

 HDL, mg/dL

43.00(35.00,54.00)

43.22(35.00,54.00)

38.64(32.76,52.73)

0.03

 TG, mg/dL

125.00(81.00,188.00)

125.00(81.00,187.25)

118.57(77.50,195.28)

0.46

 TC, mg/dL

154.00(124.00,183.00)

154.00(124.44,184.00)

145.81(116.28,169.92)

< 0.01

 APTT s

31.70(26.80,42.50)

31.70(26.80,41.80)

36.20(27.90,68.05)

< 0.001

 PT, s

13.80(12.90,15.40)

13.80(12.90,15.30)

14.20(13.20,16.20)

0.25

 INR

1.20(1.10,1.50)

1.20(1.10,1.50)

1.30(1.10,1.60)

0.46

 lactate, mmol/L

1.70(1.10,2.66)

1.69(1.10,2.60)

2.53(1.50,3.55)

< 0.001

 SHR

1.06(0.87,1.34)

1.05(0.86,1.33)

1.45(1.06,2.25)

< 0.001