Table 4.
Newcastle-Ottawa modified for cross-sectional studies
| Study | Selection | Comparability | Outcome | Total | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Representativeness of the sample | Sample size | Confounding factors | Assessment | Statistical test | |||||||||||
| A* | B* | C | D | A* | B | A* | B* | A** | B** | C* | D | A* | B | ||
| 1. Abrahamyan, L., et al., Determinants of Morbidity and Intensive Care Unit Stay after Coronary Surgery. Asian Cardiovascular and Thoracic Annals | + | + | + | + | 5 | ||||||||||
| 2. Atoui, R., et al., Risk factors for prolonged stay in the intensive care unit and on the ward after cardiac surgery. | + | + | + | + | + | 4 | |||||||||
| 3. Augoustides, J.G., et al., Clinical predictors for prolonged intensive care unit stay in adults undergoing thoracic aortic surgery requiring deep hypothermic circulatory arrest. | + | + | + | + | + | 5 | |||||||||
| 4. Azarfarin, R., et al., Factors influencing prolonged ICU stay after open heart surgery. | + | + | + | + | 5 | ||||||||||
| 5. Cacciatore, F., et al., Determinants of prolonged intensive care unit stay after cardiac surgery in the elderly. | + | + | + | + | + | + | 7 | ||||||||
| 6. De Cocker, J., et al., Preoperative prediction of intensive care unit stay following cardiac surgery. | + | + | + | + | + | + | 7 | ||||||||
| 7. Eltheni, R., et al., Predictors of prolonged stay in the intensive care unit following cardiac surgery. | + | + | + | + | + | 6 | |||||||||
| 8. Ghotkar, S.V., et al., Preoperative calculation of risk for prolonged intensive care unit stay following coronary artery bypass grafting. | + | + | + | + | 5 | ||||||||||
| 9. Giakoumidakis, K., et al., Risk factors for prolonged stay in cardiac surgery intensive care units. | + | + | + | + | + | 6 | |||||||||
| 10. Hein, O.V., et al., Prolonged intensive care unit stay in cardiac surgery: risk factors and long-term-survival. | + | + | + | + | + | 6 | |||||||||
| 11. Herman, C., et al., Predicting prolonged intensive care unit length of stay in patients undergoing coronary artery bypass surgery--development of an entirely preoperative scorecard. | + | + | + | + | + | 6 | |||||||||
| 12. Horer, J., et al., Risk factors for prolonged intensive care treatment following atrial septal defect closure in adults. | + | + | + | + | 3 | ||||||||||
| 13. Lei, Q., et al., Preoperative and intraoperative risk factors for prolonged intensive care unit stay after aortic arch surgery. | + | + | + | + | + | 5 | |||||||||
| 14. Nakasuji, M., M. Matsushita, and A. Asada, Risk factors for prolonged ICU stay in patients following coronary artery bypass grafting with a long duration of cardiopulmonary bypass. | + | + | + | + | 4 | ||||||||||
| 15. Scott, B.H., F.C. Seifert, and R. Grimson, Blood transfusion is associated with increased resource utilisation, morbidity and mortality in cardiac surgery. | + | + | + | + | 5 | ||||||||||
| 16. Scott, B.H., et al., Octogenarians undergoing coronary artery bypass graft surgery: resource utilization, postoperative mortality, and morbidity. | + | + | + | + | + | 6 | |||||||||
| 17. Tribuddharat, S., et al., Development of an open-heart intraoperative risk scoring model for predicting a prolonged intensive care unit stay. | + | + | + | + | + | 5 | |||||||||
| 18. Wagener, G., et al., The Surgical Procedure Assessment (SPA) score predicts intensive care unit length of stay after cardiac surgery. | + | + | + | + | + | 5 | |||||||||
| 19. Wang, C., et al., Risk model of prolonged intensive care unit stay in Chinese patients undergoing heart valve surgery. | + | + | + | + | + | 6 | |||||||||
| 20. Widyastuti, Y., et al., Length of intensive care unit stay following cardiac surgery: is it impossible to find a universal prediction model? | + | + | + | + | + | 6 | |||||||||
| 21. Bignami et al. Urinary neutrophil gelatinase-associated lipocalin as an early predictor of prolonged intensive care unit stay after cardiac surgery | + | + | + | + | 5 | ||||||||||
| 22. Venrooij et al. The impact of low preoperative fat-free body mass on infections and length of stay after cardiac surgery: A prospective cohort study | + | + | + | + | + | 6 | |||||||||
| 23. Stransky et al. Hypoactive Delirium After Cardiac Surgery as an Independent Risk Factor for Prolonged Mechanical Ventilation | + | + | + | + | + | 6 | |||||||||
| 24. Ezeldin Relation between serum creatinine and postoperative results of open-heart surgery | + | + | + | + | + | 6 | |||||||||
| 25. Wies et al. Indocyanine green clearance as an outcome prediction tool in cardiac surgery: A prospective study | + | + | + | + | + | + | 7 | ||||||||
| 26. Barili et al. An original model to predict Intensive Care Unit length-of stay after cardiac surgery in a competing risk framework | + | + | + | + | + | 6 | |||||||||
| 27. Oliveira E, et al., Risk factors for prolonged hospital stay after isolated coronary artery bypass grafting | + | + | + | + | + | 6 | |||||||||
The number of stars for each item is represented by asterisks*