Table 1 Baseline characteristics
From: Nomogram predicts atrial fibrillation after coronary artery bypass grafting
Variables | Without POAF (n = 282) | With POAF (n = 115) | P value |
|---|---|---|---|
Demographics | |||
Age, years* | 63.2 ± 7.7 | 67.3 ± 7.9 | < 0.001 |
Male | 199 (70.6%) | 84 (73.0%) | 0.710 |
Heart rate, beats/min | 69.5 ± 10.4 | 70.1 ± 11.5 | 0.629 |
MAP, mmHg* | 90.3 ± 10.4 | 87.7 ± 11.4 | 0.025 |
BMI > 23, kg/m2* | 226 (80.1%) | 81 (70.4%) | 0.037 |
Social history | |||
Current smoker | 115 (40.8%) | 48 (41.7%) | 0.949 |
Alcohol | 77 (27.3) | 29 (25.2) | 0.763 |
Medical history | |||
Diabetes | 105 (37.2%) | 46 (40.0%) | 0.688 |
Hypertension | 185 (65.6%) | 71 (61.7%) | 0.539 |
PVDs | 10 (3.5%) | 3 (2.6%) | 0.869 |
Stroke | 34 (12.1%) | 18 (15.7%) | 0.424 |
COPD | 3 (1.1%) | 3 (2.6%) | 0.490 |
CKD | 4 (1.4%) | 5 (4.3%) | 0.159 |
Cardiac disease history | |||
Palpitate | 34 (12.1%) | 19 (16.5%) | 0.306 |
Heart failure | 16 (5.7%) | 9 (7.8%) | 0.567 |
ACS* | 267 (94.7%) | 115 (100.0%) | 0.026 |
OMI | 19 (6.7%) | 12 (10.4%) | 0.299 |
Stent | 40 (14.2%) | 13 (11.3%) | 0.547 |
LAD > 40,mm* | 175 (62.1%) | 86 (74.8%) | 0.021 |
Abnormal wall movement | 179 (63.5%) | 85 (73.9%) | 0.060 |
LVEF, %* | 57.8 ± 7.1 | 55.1 ± 8.5 | 0.001 |
Medications | |||
ACEI | 39 (13.8%) | 10 (8.7%) | 0.214 |
ARB* | 98 (34.8%) | 26 (22.6%) | 0.025 |
BRB | 193 (68.4%) | 67 (58.3%) | 0.069 |
CCB | 110 (39.0%) | 34 (29.6%) | 0.097 |
Diuretics | 109 (38.7%) | 51 (44.3%) | 0.349 |
Statins* | 222 (78.7%) | 71 (61.7%) | 0.001 |
Insulins* | 123 (43.6%) | 31 (27.0%) | 0.003 |
OHAs | 85 (30.1%) | 31 (27.0%) | 0.609 |
Cardiac inotropic drugs | 26 (9.2%) | 13 (11.3%) | 0.655 |
Preoperative laboratory parameters | |||
Hemoglobin, g/L | 130.7 ± 17.2 | 128.1 ± 20.1 | 0.201 |
White blood cell count, 109/L | 6.6 ± 1.9 | 6.6 ± 2.0 | 0.852 |
Neutrophil count, 109/L | 4.1 ± 1.6 | 4.1 ± 1.6 | 0.924 |
Monocyte count, 109/L | 0.5 ± 0.3 | 0.5 ± 0.2 | 0.542 |
Lymphocyte count, 109/L | 1.9 ± 0.6 | 1.7 ± 0.7 | 0.052 |
Platelet count, 109/L* | 224.6 ± 59.6 | 211.2 ± 60.6 | 0.044 |
Uric acid, µmol/L | 342.3 ± 97.9 | 362.2 ± 105.6 | 0.074 |
Serum creatinine, µmol/L | 78.1 [65.0, 93.2] | 81.0 [65.0, 95.8] | 0.743 |
eGFR, mL/min/1.73m2 | 81.9 ± 20.9 | 78.2 ± 22.8 | 0.125 |
Triglyceride, mmol/L | 1.4 [1.1, 2.0] | 1.4 [1.0, 1.9] | 0.369 |
LDL, mmol/L | 2.5 ± 0.9 | 2.6 ± 0.9 | 0.781 |
Glucose, mmol/L | 5.5 [4.8, 6.8] | 5.4 [4.9, 7.2] | 0.750 |
Albumin, g/L* | 45.6 ± 8.7 | 43.1 ± 7.7 | 0.009 |
Prealbumin | 255.1 ± 66.6 | 257.8 ± 57.9 | 0.702 |
Kalium, mmol/L | 4.2 ± 0.4 | 4.2 ± 0.4 | 0.708 |
Surgical information | |||
Emergency surgery | 3 (1.1%) | 0 (0.0%) | 0.637 |
Preoperative IABP* | 18 (6.4%) | 15 (13.0%) | 0.048 |
On-pump surgery | 24 (8.5%) | 13 (11.3%) | 0.498 |
Left internal mammary artery | 238 (84.4%) | 87 (75.7%) | 0.056 |
Left anterior descending | 270 (95.7%) | 112 (97.4%) | 0.624 |
Diagonal branch | 183 (64.9%) | 75 (65.2%) | 1.000 |
Obtuse marginal artery | 156 (55.3%) | 60 (52.2%) | 0.646 |
Posterior descending artery | 167 (59.2%) | 68 (59.1%) | 1.000 |
Left posterior artery | 25 (8.9%) | 10 (8.7%) | 1.000 |
Incomplete revascularization | 4 (1.4%) | 2 (1.7%) | 1.000 |
Operative time > 4 h,min* | 118 (41.8%) | 65 (56.5%) | 0.011 |