Regarding the article “Diagnostic evaluation of risk for bleeding in cardiac surgery with extracorporeal circulation”, with DOI number: 1518-8345.2523.3092, published in Rev. Latino-Am. Enfermagem, 2018;26:e3092, page 5:
Where was written:
Table 2. Analysis of the association between the risk factor and bleeding, expressed by the Odds ratio. Rio de Janeiro, RJ, Brazil, 2013-2015.
| Risk factors | Cases | Controls | Odds ratio and significance | ||
| N | n | OR* | CI† 95% | p value ‡ | |
| Preoperative period | |||||
| Diagnosed systemic high blood pressure | 20 | 170 | 0.64 | (0.20 to 2.06) | 0.4627 |
| Platelet antiaggregation < 5 days | 22 | 62 | 0.90 | (0.35 to 2.29) | 0.8353 |
| Prothrombin activation time > 14 seconds | 16 | 38 | 0.75 | (0.28 to 1.98) | 0.5650 |
| Activated partial thromboplastin time > 40 seconds | 13 | 38 | 1.24 | (0.50 to 3.07) | 0.6343 |
| Hematocrit > 30%§ | 0 | 10 | 0.35 | (0.02 to 6.24) | 0.4788 |
| Platelets < 150,000 cells/mm3|| | 6 | 18 | 1.72 | (0.53 to 5.53) | 0.3633 |
| Body mass index < 26.35kg/m²¶ | 19 | 98 | 3.64 | (1.31 to 10.15) | 0.0134** |
| Intraoperative period | |||||
| ECC†† > 90 minutes | 46 | 121 | 3.57 | (1.17 to 10.85) | 0.0247** |
| Surgery > 300 minutes | 27 | 72 | 1.15 | (0.49 to 2.71) | 0.7364 |
| Esophageal temperature < 32°C‡‡ | 34 | 55 | 2.86 | (1.16 to 7.00) | 0.0215** |
| Additional hydric volume in ECC†† | 29 | 78 | 1.18 | (0.50 to 2.79) | 0.6993 |
| Heparin reinforcement in ECC†† | 25 | 54 | 2.28 | (0.96 to 5.40) | 0.0607 |
| Postoperative period | |||||
| High blood pressure of difficult control | 17 | 45 | 0.73 | (0.23 to 2.27) | 0.5951 |
| Metabolic acidosis | 18 | 58 | 3.50 | (1.35 to 9.05) | 0.0098** |
| Hematocrit < 30%§ | 8 | 14 | 2.39 | (0.80 to 7.14) | 0.1172 |
| Platelets < 150,000 cells/mm3|| | 19 | 42 | 1.90 | (0.80 to 4.50) | 0.1409 |
| Activated partial thromboplastin time > 40 seconds | 21 | 39 | 2.55 | (1.08 to 6.03) | 0.0324** |
| Prothrombin activation time > 14 seconds | 44 | 124 | 1.57 | (0.34 to 7.10) | 0.5573 |
*Odds ratio; †95% confidence interval; ‡p value; §Percentage; ||Cubic millimeters; ¶Kilos per square meter; **Statistical significance; ††Extracorporeal circulation; ‡‡Degrees Celsius
Now Read:
Table 2. Analysis of the association between the risk factor and bleeding, expressed by the Odds ratio. Rio de Janeiro, RJ, Brazil, 2013-2015.
| Risk factors | Cases | Controls | Odds ratio and significance | ||
| N | n | OR* | CI† 95% | p value ‡ | |
| Preoperative period | |||||
| Diagnosed systemic high blood pressure | 20 | 170 | 0.64 | (0.20 to 2.06) | 0.4627 |
| Platelet antiaggregation < 5 days | 13 | 143 | 0.40 | (0.17 to 0.96) | 0.040 |
| Prothrombin activation time > 14 seconds | 6 | 59 | 0.75 | (0.28 to 1.98) | 0.5650 |
| Activated partial thromboplastin time > 40 seconds | 8 | 55 | 1.24 | (0.50 to 3.07) | 0.6343 |
| Hematocrit > 30%§ | 0 | 10 | 0.35 | (0.02 to 6.24) | 0.4788 |
| Platelets < 150,000 cells/mm3|| | 4 | 20 | 1.72 | (0.53 to 5.53) | 0.3633 |
| Body mass index < 26.35kg/m²¶ | 19 | 98 | 3.64 | (1.31 to 10.15) | 0.0134** |
| Intraoperative period | |||||
| ECC†† > 90 minutes | 20 | 112 | 3.57 | (1.17 to 10.85) | 0.0247** |
| Surgery > 300 minutes | 13 | 97 | 1.15 | (0.49 to 2.71) | 0.7364 |
| Esophageal temperature < 32°C‡‡ | 16 | 79 | 2.86 | (1.16 to 7.00) | 0.0215** |
| Additional hydric volume in ECC†† | 14 | 104 | 1.18 | (0.50 to 2.79) | 0.6993 |
| Heparin reinforcement in ECC†† | 14 | 73 | 2.28 | (0.96 to 5.40) | 0.0607 |
| Postoperative period | |||||
| High blood pressure of difficult control | 4 | 41 | 0.73 | (0.23 to 2.27) | 0.5951 |
| Metabolic acidosis | 8 | 24 | 3.50 | (1.35 to 9.05) | 0.0098** |
| Hematocrit < 30%§ | 5 | 19 | 2.39 | (0.80 to 7.14) | 0.1172 |
| Platelets < 150,000 cells/mm3|| | 11 | 59 | 1.90 | (0.80 to 4.50) | 0.1409 |
| Activated partial thromboplastin time > 40 seconds | 12 | 54 | 2.55 | (1.08 to 6.03) | 0.0324** |
| Prothrombin activation time > 14 seconds | 22 | 168 | 1.57 | (0.34 to 7.10) | 0.5573 |
*Odds ratio; †95% confidence interval; ‡p value; §Percentage; ||Cubic millimeters; ¶Kilos per square meter; **Statistical significance; ††Extracorporeal circulation; ‡‡Degrees Celsius