Table 1 Baseline patient characteristics, clinical and disease characteristics according to G1 and G2
Total | G1 (PNI < 44.425) | G2 (PNI ≥ 44.425) | |
|---|---|---|---|
N = 1173 | n = 294 | n = 879 | |
Age (year) | 73.32 ± 3.32 | 73.49 ± 3.43 | 73.27 ± 3.29 |
Male (n, %) | 848(72.3) | 236(80.3) | 612(69.6) |
Weight (kg) | 66.93 ± 9.49 | 65.69 ± 9.12 | 67.35 ± 9.59 |
Hight (cm) | 166.07 ± 7.48 | 166.46 ± 7.18 | 165.93 ± 7.58 |
Creatinine (umol/L) | 82.62 ± 30.98 | 90.25 ± 44.31 | 80.07 ± 24.50 |
Ccr (mL/min) | 68.49 ± 19.88 | 64.40 ± 20.75 | 69.86 ± 19.41 |
Preoperative LVEF (%) | 58.45 ± 9.80 | 56.78 ± 11.08 | 59.01 ± 9.27 |
Number of diseased coronary artery | 2.84 ± 0.46 | 2.82 ± 0.49 | 2.85 ± 0.45 |
BMI (kg/m2) | 24.27 ± 3.00 | 23.68 ± 2.82 | 24.46 ± 3.04 |
BSA (m2) | 1.83 ± 0.15 | 1.82 ± 0.14 | 1.84 ± 0.15 |
Number of graft vessel | 3.19 ± 0.90 | 3.15 ± 0.89 | 3.20 ± 0.90 |
Euro | 2.67 ± 3.63 | 3.64 ± 5.43 | 2.34 ± 2.72 |
Preoperative serum albumin (g/L) | 39.70 ± 4.17 | 35.05 ± 3.22 | 41.25 ± 3.18 |
Preoperative TLC (×109/L) | 1.63 ± 0.59 | 1.19 ± 0.39 | 1.78 ± 0.58 |
Postoperative serum albumin (g/L) | 33.72 ± 5.83 | 31.42 ± 5.94 | 34.92 ± 6.00 |
Postoperative TLC (×109/L) | 0.91 ± 0.60 | 0.79 ± 0.49 | 0.95 ± 0.63 |
Serum albumin before discharge (g/L) | 35.42 ± 4.38 | 34.50 ± 4.75 | 35.72 ± 4.21 |
TLC before discharge (×109/L) | 1.35 ± 0.58 | 1.23 ± 0.60 | 1.39 ± 0.57 |
Preoperative PNI | 47.85 ± 5.47 | 41.02 ± 3.22 | 50.13 ± 3.96 |
Postoperative PNI | 38.26 ± 6.76 | 35.39 ± 6.33 | 39.22 ± 6.62 |
PNI before discharge | 42.17 ± 5.27 | 40.63 ± 5.44 | 42.69 ± 5.11 |
Long-term survival time (months) | 61.79 ± 39.88 | 57.53 ± 39.94 | 63.09 ± 39.80 |
NYHA classification (n, %) | |||
I | 189(16.1) | 36(12.2) | 153(17.4) |
II | 520(44.3) | 120(40.8) | 400(45.5) |
III | 414(35.3) | 114 (38.8) | 300(34.1) |
IV | 50(4.3) | 24(8.3) | 26(3.0) |
Obesity status (n, %) | |||
Lean | 17(1.4) | 6(2.0) | 11(1.3) |
Normal weight | 540(46.0) | 150(51.0) | 390(44.4) |
Overweight | 504(43.0) | 120(40.8) | 384(43.7) |
Obesity | 71(6.1) | 11(3.7) | 60(6.8) |
Severe obesity | 41(3.5) | 7(2.4) | 34(3.9) |
CHD classification (n, %) | |||
Stable | 284(24.2) | 73(24.8) | 211(24.0) |
Unstable | 767(65.4) | 167(56.8) | 600(68.3) |
Myocardial infarction | 122(10.4) | 54(18.4) | 68(7.7) |
Hypertension (n, %) | 793(67.6) | 179(60.9) | 614(69.9) |
Diabetes (n, %) | 407(34.7) | 102(34.7) | 305(34.7) |
Cerebrovascular disease (n, %) | |||
Lacunar infarction | 132(11.3) | 27(9.2) | 105 (11.9) |
Cerebral infarction | 98(8.4) | 28(9.5) | 70(8.0) |
PVD (n, %) | 119(10.1) | 44(15.0) | 75(8.5) |
Emergency surgery (n, %) | |||
Emergency | 29(2.5) | 11(3.7) | 18(2.0) |
Rescue | 9(0.8) | 6(2.0) | 3(0.3) |
Valvular diseases (n, %) | 146(12.4) | 44(15.0) | 102(11.6) |
IABP implantation (n, %) | |||
Preoperative | 27(2.3) | 21(7.1) | 6(0.7) |
Intraoperative | 28(2.4) | 10(3.4) | 18(2.0) |
Postoperative | 17(1.4) | 4(1.4) | 13(1.5) |
COPD (n, %) | 56(4.8) | 21(7.1) | 35(4.0) |
Preoperative AF (n, %) | 42(3.6) | 9(3.1) | 33(3.8) |
Pulmonary hypertension (n, %) | 326(27.8) | 82(27.9) | 244(27.8) |
History of PCI (n, %) | 77(6.6) | 21(7.1) | 56(6.4) |
Renal failure (n, %) | 31(2.6) | 15(5.1) | 16(1.8) |
Postoperative short-term mortality (n, %) | 90(7.7) | 41(13.9) | 49(5.6) |
CPB (n, %) | 205(17.5) | 53(18.0) | 152(17.3) |