Table 1.
Grouping of patients according to the amount of drainage and comparison between the groups.
| Variable | Group 1 (n=174) | Group 2 (n=53) | P-value |
|---|---|---|---|
| Age (years), median (IQR) | 61 (13) | 62 (11) | 0.225 |
| Sex, n (%) | |||
| Male | 133 (76.4) | 35 (66.0) | 0.131 |
| Female | 41 (23.6) | 18 (34.0) | |
| BMI (kg/m2), median (IQR) | 26.9 (4.7) | 26.6 (5.0) | 0.368 |
| DM, n (%) | 79 (45.4) | 21 (39.6) | 0.458 |
| HT, n (%) | 79 (45.4) | 24 (45.3) | 0.988 |
| COPD, n (%) | 9 (5.2) | 4 (7.5) | 0.515 |
| Smoker, n (%) | 56 (32.2) | 18 (34.0) | 0.809 |
| CABG graft count, median (IQR) | 4 (1) | 4 (1) | 0.716 |
| EF (%), median (IQR) | 55 (15) | 50 (15) | 0.678 |
| CPB time (min), median (IQR) | 76.5 (35.3) | 88.0 (38.5) | 0.003 |
| Cross-clamp time (min), median (IQR) | 56.0 (21.0) | 63.0 (26.5) | 0.098 |
| WBC (103/µL), median (IQR) | 8.6 (3.3) | 8.3 (2.6) | 0.214 |
| Platelet (103/µL), median (IQR) | 250.0 (99.8) | 265.5 (102.8) | 0.494 |
| Neutrophil (103/µL), median (IQR) | 5.4 (3.0) | 5.3 (2.6) | 0.703 |
| Lymphocyte (103/µL), median (IQR) | 2.2 (0.9) | 1.8 (1.0) | 0.007 |
| PCT (%), median (IQR) | 0.26 (0.10) | 0.27 (0.11) | 0.654 |
| MPV (fL), median (IQR) | 10.3 (1.4) | 10.2 (1.5) | 0.506 |
| PDW (fL), median (IQR) | 11.7 (3.4) | 11.5 (3.3) | 0.313 |
| RDW-SD (fL), median (IQR) | 40.1 (4.4) | 39.8 (5.7) | 0.665 |
| CRP (mg/L), median (IQR) | 3.1 (3.7) | 8.6 (8.1) | < 0.001 |
| Hemoglobin (g/dL), median (IQR) | 14.1 (2.5) | 12.7 (2.8) | < 0.001 |
| PT (s), median (IQR) | 8.8 (0.8) | 8.9 (1.0) | 0.113 |
| aPTT (s), median (IQR) | 29.2 (5.6) | 30.7 (5.9) | 0.216 |
| Fibrinogen (mg/dL) median (IQR) | 442.5 (180.5) | 455.0 (246.3) | 0.094 |
| Calcium (mg/dL), median (IQR) | 9.4 (0.5) | 8.3 (0.5) | < 0.001 |
| Albumin (g/L), median (IQR) | 42.1 (5.1) | 38.3 (7.4) | < 0.001 |
| CAR, median (IQR) | 0.07 (0.08) | 0.23 (0.18) | < 0.001 |
| ES, median (IQR) | 3 (3) | 6 (1.5) | < 0.001 |
| FFP, median (IQR) | 4 (2) | 4 (3) | 0.005 |
| AF, n (%) | 21 (12.1) | 12 (22.6) | 0.05 |
| Bleeding revision, n (%) | 2 (1.1) | 6 (11.3) | 0.002 |
| ICU stay | 3 (2) | 3 (1) | 0.007 |
| Hospital stay | 7 (2) | 8 (2.5) | 0.02 |
| Mortality n (%) | 1 (0.6) | 4 (7.5) | 0.01 |
Bold P-values indicate statistical significance; italicized P-values are values close to statistical significance
AF=atrial fibrillation; aPTT=activated partial thromboplastin time; BMI=body mass index; CABG=coronary artery bypass grafting; CAR=C-reactive protein albumin ratio; COPD=chronic obstructive pulmonary disease; CPB=cardiopulmonary bypass; CRP=C-reactive protein; DM=diabetes mellitus; EF=ejection fraction; ES=erythrocyte suspension; FFP=fresh frozen plasma; HT=hypertension; ICU=intensive care unit; IQR=interquartile range; MPV=mean platelet volume; PCT=platecrit; PDW=platelet distribution width; PT=prothrombin time; RDW-SD=erythrocyte distribution width - standard deviation; WBC=white blood cell