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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 | Advances in pro- duction of embryos in vitro from juvenile and prepubertal oocytes from the calf and lamb 显示文摘 | ARMSTRONG D T KOTARAS P J EARL C R | 1997 | Reprod Fertil Dev1997，9，3： | 1 |
| 3 | Combined laparoscopic and endoscopic treatment of gallstones and bile duct stones:a prospective study显示文摘 | Widdison A L Longstaff A J Armstrong C P | 1994 | Br J Surg1994，81，： | 1 |
| 4 | Cytokinin acitivity of Nphenyl-1,2,3-thidiazol-5-ylurea (TDZ)显示文摘 | Mok M C Mok D W S Armstrong D J | 1982 | Phytochemistry1982，21，： | 1 |
| 5 | Bovine congenital erythrocytic protoporphyria in a Limousin calf bred in the UK 显示文摘 | Armstrong S C Jonsson N N Barrett D C | 2002 | Vet Rec2002，19，： | 1 |
| 6 | Impaired nerve regeneration and enhanced neuroinflammatory response in mice lacking pituitary adenylyl cyclase activating peptide显示文摘 | Armstrong BD Abad C Chhith S Cheung-Lau G Hajji OE Nobuta H | 2008 | Neuroscience2008，151，1： | 1 |
| 7 | The lithium intercalation compound Li2CoSiO4 and its behaviour as a positive electrode for lithium batteries 显示文摘 | NESS C DELOBEL B ARMSTRONG A R BRUCE P G | 2007 | Chem Commun (Camb)2007，46，： | 1 |
| 8 | Information Technology Assimilation in Firms: The Influence of Senior Leadership And IT Infrastructures显示文摘 | Armstrong C P Sambamurthy V | 1999 | Information Systems Research1999，，4： | 1 |
| 9 | Joint MAP registration and high- resolution image estimation using a sequence of under-sampled images 显示文摘 | Hardie R C Barnard K J Armstrong E E | 1997 | IEEETransactions on Image Processing1997，6，12： | 1 |
| 10 | Serial surgical de-bridement: a retrospective study on clinical outcomes in chro-nic lower extremity wounds显示文摘 | Cardinal M Eisenbud DE Armstrong DG Zelen C DriverV Attinqer C Phillips T Harding K | 2009 | Wound Repair Reqen2009，17，3： | 1 |
| 11 | Endurance and resistance exercise induce muscle fiber type specific responses in androgen binding capacity显示文摘 | Deschenes M R Maresh C M Armstrong L E | 1994 | The Journal of Steroid Biochemistry and MolecularBiology1994，50，34： | 1 |
| 12 | Wound care and diabetic foot显示文摘 | Armstrong D Dos Remedios E Andersen C | 2009 | Foot Ankle Spec2009，2，3： | 1 |
| 13 | The dosing of atypical antipsychotics显示文摘 | Jose de Leon Scott C Armstrong | 2005 | Psychosomatics2005，46，： | 1 |
| 14 | Experi- mental Demonstrations of Electronic Dispersion Com- pensation for Long-Haul Transmission Using Direct- Detection Optical OFDM 显示文摘 | Schmidt B J C Lowery A J Armstrong J | 2008 | Journal of Lightwave Technology2008，26，1： | 1 |
| 15 | Nutrition and management of early weaned piglets: liquid vs dry feeding显示文摘 | LECCE J G ARMSTRONG W D CRAWFORD P C | 1979 | J Anim Sci1979，48，5： | 1 |
| 16 | Effect of forced,hot-air treatments of papaya fruit on fruit quality and incidence of postharvest disease显示文摘 | Nishijima K A Miura C K Armstrong J W | 1992 | Plant Dis1992，76，： | 1 |
| 17 | Scene-based nonuniformity correction with video sequences and registration显示文摘 | Hardie R C Hayat M M Armstrong E E | 2000 | Applied Optics2000，39，： | 1 |
| 18 | Bioavailability of phosphorus inputs to lakes 显示文摘 | Sonzogni W C Chapra S C Armstrong D E | 1982 | Journal of Environmental Quality1982，11，4： | 1 |
| 19 | The Incentives for Tax Planning显示文摘 | Armstrong C S Blouin J L Larcker D F | | 0，，1： | 1 |
| 20 | An ancestral oomycete locus contains late blight avirulence gene avr3a, encoding a protein that is recognized in the host cytoplasm 显示文摘 | Armstrong M R Whisson S C Pritchard L | 2005 | Proceedings of the National A- cademy of Sciences of the United States of America2005，102，21： | 1 |
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