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Table 2 Baseline patient characteristics, clinical and disease characteristics according to G3 and G4

From: The association between lower prognostic nutritional index and higher short- & long-term mortality in older adults (≥ 70 years) undergoing coronary artery bypass grafting: a retrospective study

 

Total

G3 (PNI < 42.15)

G4 (PNI ≥ 42.15)

N = 1083

n = 525

n = 558

Age (year)

73.30 ± 3.27

73.59 ± 3.45

73.00 ± 3.06

Male (n, %)

793(73.2)

424(78.4)

369(68.1)

Weight (kg)

67.20 ± 9.41

67.35 ± 9.15

67.05 ± 9.67

Hight (cm)

166.25 ± 7.39

167.29 ± 6.80

165.61 ± 7.66

Creatinine (umol/L)

81.00 ± 26.76

83.98 ± 31.91

78.03 ± 19.95

Ccr (mL/min)

69.38 ± 19.38

68.18 ± 19.53

70.58 ± 19.16

Preoperative LVEF (%)

58.85 ± 9.46

59.54 ± 8.98

58.16 ± 9.88

Number of diseased coronary artery

2.85 ± 0.45

2.86 ± 0.45

2.85 ± 0.45

BMI (kg/m2)

24.31 ± 2.98

24.13 ± 2.84

24.49 ± 3.11

BSA (m2)

1.84 ± 0.15

1.84 ± 0.14

1.83 ± 0.15

Number of graft vessel

3.22 ± 0.89

3.32 ± 0.95

3.12 ± 0.84

Euro

2.33 ± 2.20

2.42 ± 2.30

2.25 ± 2.10

Preoperative serum albumin(g/L)

39.82 ± 4.13

39.20 ± 4.22

40.44 ± 3.94

Preoperative TLC (×109/L)

1.64 ± 0.58

1.56 ± 0.58

1.72 ± 0.57

Postoperative serum albumin(g/L)

33.93 ± 5.98

33.23 ± 5.87

34.64 ± 6.01

Postoperative TLC (×109/L)

0.91 ± 0.60

0.89 ± 0.58

0.93 ± 0.63

Serum albumin before discharge(g/L)

35.67 ± 4.11

32.91 ± 2.75

38.41 ± 3.32

TLC before discharge (×109/L)

1.37 ± 0.55

1.14 ± 0.40

1.60 ± 0.58

Preoperative PNI

48.02 ± 5.35

47.02 ± 5.31

49.02 ± 5.20

Postoperative PNI

38.49 ± 6.58

37.70 ± 6.58

39.29 ± 6.49

PNI before discharge

42.51 ± 4.94

38.60 ± 2.76

46.42 ± 3.25

Long-term survival time

61.79 ± 39.88

61.77 ± 39.78

63.11 ± 41.78

NYHA classification (n, %)

 I

186(17.2)

89(16.5)

97(17.9)

 II

489(45.2)

268(49.5)

221(40.8)

 III

374(34.5)

174(32.2)

200(36.9)

 IV

34(3.1)

10(1.8)

24(4.4)

Obesity status (n, %)

 Lean

14(1.3)

11(2.0)

3(0.6)

 Normal weight

498(46.0)

255(47.1)

243(44.8)

 Overweight

468(43.1)

230(42.5)

237(43.7)

 Obesity

67(6.2)

34(6.3)

33(6.1)

 Severe obesity

37(3.4)

11(2.0)

26(4.8)

CHD classification (n, %)

 Stable

263(24.3)

158(30.6)

105(19.4)

 Unstable

716(66.1)

323(59.7)

393(72.5)

 Myocardial infarction

104(9.6)

60(11.1)

44(8.1)

Hypertension (n, %)

731(67.5)

378(69.9)

353(65.1)

Diabetes (n, %)

366(33.8)

171(31.6)

195(36.0)

Cerebrovascular disease (n, %)

 Lacunar infarction

125(11.5)

72(13.3)

53(9.8)

 Cerebral infarction

84(7.8)

30(5.5)

54(10.0)

PVD (n, %)

109(10.1)

56(10.4)

53(9.8)

Emergency surgery (n, %)

 Emergency

22(2.0)

11(2.0)

11(2.0)

 Rescue

2(0.2)

1(0.2)

1(0.2)

Valvular diseases (n, %)

133(12.3)

74(13.7)

59(10.9)

IABP implantation (n, %)

 Preoperative

14(1.3)

8(1.5)

6(1.1)

 Intraoperative

17(1.6)

8(1.5)

9(1.7)

 Postoperative

4(0.4)

3(0.6)

1(0.2)

COPD (n, %)

46(4.2)

27(5.0)

19(3.5)

Preoperative AF (n, %)

40(3.7)

19(3.5)

21(3.9)

Pulmonary hypertension (n, %)

299(27.6)

133(25.3)

162(29.9)

History of PCI (n, %)

64(5.9)

36(6.7)

28(5.2)

Renal failure (n, %)

18(1.7)

11(2.0)

7(1.3)

CPB (n, %)

173(16.0)

79(14.6)

94(17.3)

  1. Ccr, endogenous creatinine clearance rate; LVEF, left ventricular ejection fraction; BMI, body mass index; BSA, body surface area; TLC, total peripheral blood lymphocyte count; PNI, prognostic nutritional index; NYHA, New York heart association; CHD, coronary heart disease; PVD, peripheral vascular disease; IABP, Intra-aortic balloon pump; COPD, chronic obstructive pulmonary disease; AF, atrial fibrillation; PCI, percutaneous coronary intervention; CPB, cardiopulmonary bypass
  2. Values are mean ± SD or n (%)