Table 2.
Description of sample of analysis
| Characteristic | Total sample (n = 217) |
|---|---|
| Age (years) [M (SD)] | 65.4 (12.3) |
| Sex [n (%)] | |
| Male | 155 (71.4) |
| Female | 62 (28.6) |
| Education [n (%)] | |
| No graduation | 7 (3.2) |
| Low graduation | 89 (41.0) |
| Middle graduation | 52 (24.0) |
| Polytechnic secondary school | 28 (12.9) |
| Higher graduation | 21 (9.7) |
| A-level | 20 (9.2) |
| ASA-PS [n (%)] | |
| 2 | 2 (0.9) |
| 3 | 201 (92.6) |
| 4 | 14 (6.5) |
| LV-EF in % [M (SD)] | 57.9 (13.4) |
| Anesthesia [n (%)] | |
| Balanced | 217 (100.0) |
| Pulmonary artery catheter | 59 (28.5) |
| NIRS | 217 (100.0) |
| TEE | 169 (81.6) |
| BIS | 217 (100.0) |
| Operative procedure [n (%)] | |
| Coronary surgery | 88 (40.6) |
| Valve surgery (even multiple valves) | 46 (21.2) |
| Coronary and valve surgery | 22 (10.1) |
| Aorta ascendens replacement | 2 (0.9) |
| Valve surgery + aorta ascendens replacement | 12 (5.5) |
| Other combinations | 35 (16.1) |
| Other surgery | 12 (5.5) |
| Intraoperative variables [M (SD)] | |
| Duration of anesthesia (min) | 329.2 (81.1) |
| Duration of surgery (min) | 258.5 (79.1) |
| Time of bypass (min) | 123.2 (58.9) |
| Duration of mechanical ventilation after surgery (min) [M (SD)] | 334.5 (658.3) |
| Duration of stay on the ICU (days) [M (SD)] | 2.1 (2.8) |
| Duration of stay in hospital (days) [M (SD)] | 12.6 (6.2) |
Abbreviation: M mean, SD standard deviation, n number of patients, % percent, min minutes. ASA risk score American Society of Anesthesiologists, LVEF left ventricular ejection fraction, NIRS near infrared spectrometry,TEE transesophageal echocardiography, BIS bispectral index)