Table I.
General preoperative condition of the two groups of patients undergoing CABG.
| Items | Total (n=90) | TEG group (n=45) | Non-TEG group (n=45) | χ2/t | P-value |
|---|---|---|---|---|---|
| Age (years, mean ± SD) | 60.7±9.8 | 61.2±9.9 | 60.3±10.1 | 0.945 | 0.31 |
| Sex, n (%) | 47 (52.22) | 23 (51.11) | 24 (53.33) | 0.845 | 0.34 |
| Hypertension, n (%) | 71 (78.89) | 35 (77.78) | 36 (80.0) | 0.942 | 0.33 |
| Diabetics, n (%) | 38 (42.22) | 19 (42.22) | 20 (44.44) | 0.415 | 0.55 |
| MI history, n (%) | 29 (32.22) | 15 (33.33) | 14 (31.11) | 0.428 | 0.52 |
| Preoperative ACS, n (%) | 37 (41.11) | 19 (42.22) | 18 (40.0) | 0.275 | 0.74 |
| Ejection fraction (%, mean) | 52.3±12.1 | 51.3±12.2 | 53.4±12.1 | 0.439 | 0.54 |
| Unfractionated heparin (24 h before surgery), n (%) | 31 (34.44) | 15 (33.33) | 16 (57.78) | 0.117 | 0.92 |
| ACEIs/ARBs, n (%) | 62 (68.89) | 30 (66.67) | 32 (71.11) | 0.029 | 0.86 |
| β-blocker, n (%) | 68 (75.56) | 33 (73.33) | 35 (77.77) | 0.569 | 0.51 |
| Statins, n (%) | 9 (10.0) | 4 (8.89) | 5 (11.11) | 0.023 | 0.48 |
| PPIs, n (%) | 9 (10.0) | 4 (8.89) | 5 (11.11) | 0.339 | 0.75 |
| Pre-operative INR | 0.91±0.18 | 0.93±0.21 | 0.94±0.15 | 0.328 | 0.78 |
| APTT (sec) | 29.42±2.13 | 28.72±2.51 | 28.62±2.25 | 0.143 | 0.89 |
CABG, coronary artery bypass surgery; TEG, thrombelastography; MI, myocardial infarction; ACS, acute coronary syndrome; ACEI, angiotension converting enzyme inhibitors; ARB, angiotensin receptor blocker; PPI, proton pump inhibitors; INR, international normalized ratio; APTT, activated partial thromboplastin time.