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| 1 | Validation of the Rockall scoring system for outcomes from non-variceal upper gastrointestinal bleeding in a Canadian setting显示文摘AIM: To validate the Rockall scoring system for predicting outcomes of rebleeding, and the need for a surgical procedure and death. METHODS: We used data extracted from the Registry of Upper Gastrointestinal Bleeding and Endoscopy including information of 1869 patients with non-variceal upper gastrointestinal bleeding treated in Canadian hospitals. Risk scores were calculated and used to classify patients based on outcomes. For each outcome, we used χ2 goodness-of-fit tests to assess the degree of calibration, and built receiver operating characteristic curves and calculated the area under the curve (AUC) to evaluate the discriminative ability of the scoring system. RESULTS: For rebleeding, the χ2 goodness-of-fit test indicated an acceptable fit for the model [χ2 (8) = 12.83, P = 0.12]. For surgical procedures [χ2 (8) = 5.3, P = 0.73] and death [χ2 (8) = 3.78, P = 0.88], the tests showed solid correspondence between observed proportions and predicted probabilities. The AUC was 0.59 (95% CI: 0.55-0.62) for the outcome of rebleeding and 0.60 (95% CI: 0.54-0.67) for surgical procedures, representing apoor discriminative ability of the scoring system. For the outcome of death, the AUC was 0.73 (95% CI: 0.69-0.78), indicating an acceptable discriminative ability. CONCLUSION: The Rockall scoring system provides an acceptable tool to predict death, but performs poorly for endpoints of rebleeding and surgical procedures. | Robert A Enns Yves M Gagnon Alan N Barkun David Armstrong Jamie C Gregor Richard N Fedorak RUGBE Investigators Group | 2006 | World Journal of Gastroenterology2006，12，48： | 14 |
| 2 | Coal liquefaction, Shenhua Group, and Chinas energy security显示文摘 | Peter N Alan S Rui H C | 2004 | European Management Journal2004，22，2： | 1 |
| 3 | Effect of salt and water balance on recovery of gastrointestinal function after elective colonic resection: a randomised controlled trial显示文摘 | Dileep N Lobo Kate A Bostock Keith R Neal Alan C Perkins Brain J Rowlands Simon P Allison | 2002 | The Lancet . 2002 (9320)2002，，9320： | 1 |
| 4 | Very high strains recorded in mylonites along the alpine fault, New Zealand: implications for the deep structure of plate boundary faults 显示文摘 | Richard J N Alan F C | 2003 | Journal of Structural Geology2003，25，12： | 1 |
| 5 | SUNDIALS:Suite of nonlinear and differential/algebraic equation solvers显示文摘 | Alan C Hindmarsh Peter N Brown Keith E Grant | 2005 | ACM TOMS2005，31，3： | 1 |
| 6 | Self-oriented regular arrays of carbon nanotubes and their field emission properties显示文摘 | FAN S S CHAPLINE M G FRANKIN N R TOMBLER T W ALAN C M DAI H J | 1999 | Science1999，283，： | 1 |
| 7 | Effect of Red Clover Isoflavones on Cox -2 Activity in Murine and Human Monocyte/Macrophage Cells显示文摘 | Anna N C Lam Maryanne Demasi Michael J James Alan J Husband Catherine Walker | 2004 | NUTRITION AND CANCER2004，49，1： | 1 |
| 8 | Fencing expertise and physical fitness enhance action inhibition 显示文摘 | Chan J Alan C N Wong J | 2011 | Psychology of Sport and Exercise2011，12，： | 1 |
| 9 | Changes induced by music therapy to physiologic pa- rameters in patients with dental anxiety 显示文摘 | Mej a-Rubalcava C Alan s-Tavira J Mendieta-Zer 6 n 14 | 2015 | Complement Ther Clin Pract2015，，4： | 1 |
| 10 | Effect of salt and water balance on recovery of gastrointestinal function after elective colonic resection: a randomised controlled trial显示文摘 | Dileep N Lobo Kate A Bostock Keith R Neal Alan C Perkins Brain J Rowlands Simon P Allison | 2002 | The Lancet2002，，9320： | 1 |
| 11 | Modulations of the Bcl-2/ Bax family were involved in the chemopreventive effects of licorice root (Glycyrrhiza uralensis Fisch) in MCF-7 human breast cancer cell显示文摘 | Jo E H Hong H D Alan N C | 2004 | J Agric Food Chem2004，52，6： | 1 |
| 12 | FDG-PET in staging and restaging non-small cell lung cancer after neoadjuvant chemoradiotherapy:correlation with histopathology显示文摘 | Ryu J S Choi N C Fischman Alan J | 2002 | Lung Cancer2002，35，2： | 1 |
| 13 | Frequency stability and offset locking of a laser-diode-pumped Nd:YAG monolithic nonplanar ring oscillator显示文摘 | Thomas J K Alan C N Robert L B | 1987 | Optics Letters1987，12，3： | 1 |
| 14 | Reduction of drug toxicityusing dendrimers based on melamine显示文摘 | Michael F N Hui T C Alan R P | 2004 | Molecu lar Pharmaceutics2004，1，5： | 1 |
| 15 | Spectroscopic investigation of conjugated polymer/single-walled carbon nanotube interactions显示文摘 | Brendan M Alan B D Jonathan N C | 2001 | Chem Phys Lett2001，350，： | 1 |
| 16 | FDG-PET in staging and restaging non-small cell lung cancer after neoadjnvant chemoradiotherapy:correlation with histopathology显示文摘 | Ryu J S Choi N C Fisehman Alan J | 2002 | Lung Cancer2002，35，2： | 1 |
| 17 | Effect of bone density on vertebral strength and stiffness after percutaneous vertebroplasty 显示文摘 | Graham J Alan C Hai N | 2007 | Spine (Phila Pa 1976)2007，32，18： | 1 |
| 18 | Spectroscopic investigation of conjugated polymer / single-walled carbon nanotube interaction显示文摘 | BRENDAN M C ALAN B D JONATHAN N | 2001 | Chemical Physics Letters2001，350，： | 1 |
| 19 | So you think your process is green, how do you know?--Using principles of sustainability to determine what is green-a corporate perspective显示文摘 | Alan D C David C C David N M Virginia L C | 2001 | Green Chemistry2001，，3： | 1 |
| 20 | Color Night Vision: Opponent Processing in the Fusion of Visible and IR Imagery显示文摘 | Allen M Waxman Alan N Gove David A Fay Joseph P Racamato James E Carrick Michael C Seibert Eugene D Savoye | 1996 | Neural Networks1996，，1： | 1 |
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