This page features a list of interesting links to external websites, including URLs focusing on cardiology, epidemiology, statistics, meta-analyses, and other topics. Those wishing to recommend other links, can send an email to the webmaster.

1. Cardiology and other medical topics
2. Clinical research
3. Epidemiology
4. Evidence-based medicine
5. Statistics
6. Studies
7. Systematic reviews and meta-analyses
8. Other

1. Cardiology and other medical topics
   1. Congresses
      1. International Interventional Forum
      2. Joint Interventional Meeting
      
      
   2. Databases
      1. Clinical Trial Results
      2. CRTonline
      3. TCTmd.com
      4. theheart.org
      
      
   3. Electrocardiogram (EKG)
      1. Adult EKG
      2. Archive of pediatric EKG
      3. Guide to the pediatric EKG
      
      
   4. Journals
      1. American Heart Journal
      2. American Journal of Cardiology
      3. BMJ
      4. Cardiovascular Revascularization Medicine
      5. Catheterization Cardiovascular Interventions
      6. Chinese Medical Journal
      7. Circulation
      8. Circulation Journal
      9. EuroIntervention
      10. European Heart Journal
      11. Giornale Italiano di Cardiologia
      12. Giornale Italiano di Cardiologia Invasiva
      13. Heart
      14. Heart International
      15. HSR Proceedings in Intensive Care and Cardiovascular Anesthesia
      16. Journal of Cardiovascular Medicine
      17. Journal of Endovascular Therapy
      18. Journal of Invasive Cardiology
      19. Journal of the American College of Cardiology (JACC)
      20. Journal of Vascular and Interventional Radiology
      21. Minerva Cardioangiologica
      22. PLoS Clinical Trials
      23. PLoS Medicine
      
      
   5. Risk and score calculators
      1. Cockcroft-Gault equation for glomerular filtration rate (GFR)
      2. Corrected QT for heart rate (QTc)
      3. EuroSCORE
      4. Friedewald formula for low density lipoprotein
      5. Glasgow coma score
      6. Global Registry of Acute Coronary Events (GRACE) score
      7. Heparin nomogram
      8. QFracture
      9. San Francisco syncope rule
      10. Society of Thoracic Surgery (STS) risk calculator
      11. Syncope versus seizure diagnostic score
      12. SYNTAX score
      13. Thrombolysis in Myocardial Infarction (TIMI) risk score for ST-segment-elevation acute myocardial infarction
      14. Thrombolysis in Myocardial Infarction (TIMI) risk score for unstable angina/non-ST-segment-elevation acute myocardial infarction
      
      
   6. Societies
      1. European Society of Cardiology (ESC)
      2. Italian Association Of Cardiothoracic Anasthesiologists
      3. Radiological Society of North America
      4. Società Italiana di Cardiologia Invasiva - Gruppo Italiano Studio Emodinamica (SICI-GISE)
      5. Society for Cardiovascular Angiography and Interventions (SCAI)
      
      
   7. Stress testing
      1. American Heart Association on stress test
      2. Duke treadmill score calculator
      3. Simplified treadmill score calulator
      4. Heartsite.com on treadmill stress test
      5. Victor Froelicher's cardiology.org
      6. Wikipedia on stress test
      
      
   8. Various
      1. Cardiology.org
      2. Cladio Moretti, MD
      3. Extremities Extreme Angiolasty
      4. G-cardio.net
      5. Seconds-Count.org
      6. Studio Medico Torrino
      7. WebPAX
      
      
   
   
2. Clinical research
   1. Contract research organizations
      1. Cardialysis
      2. Cardiovascular Research Fundation
      3. Associazione Endovascular Onlus
      4. genae
      5. Ibis Informatica & Idee
      6. Mediolanum Cardio Research
      7. TIMI Study Group
      
      
   2. Distance learning
      1. LSHTM MSc in Clinical Trials
      2. UCSF Training In Clinical Research
      3. University of Oxford Statistics for Health Researchers
      
      
   
   
3. Epidemiology
   1. Books
      1. Uninitiated
      
      
   2. Institutions
      1. Center for disease control
      2. London School of Hygiene and tropical medicine
      
      
   3. Various topics
      1. Scientific integrity
      2. Virtual library
      
      
   
   
4. Evidence-based medicine
   1. Randomized trials
      1. Practiihc
      
      
   2. Tutorials
      1. Introduction to EBM
      
      
   
   
5. Statistics
   1. Agreement
      1. Methods for agreement
      
      
   2. Analysis of variance (ANOVA)
      1. Daniel Soper's ANOVA calculator for summary data
      2. VassarStats
      
      
   3. Bayesian methods
      1. Bayesian belief nets
      2. Francesca Dominici's course on Bayesian methods
      3. International Society for Bayesian analysis
      
      
   4. Bootstrapping
      1. StatsDirect
      
      
   5. Chi-square and Fisher exact tests
      1. 2x2 tables
      2. 2x2 tables
      3. 2x5 tables
      
      
   6. Classification and regression trees
      1. CART
      2. Decision trees
      
      
   7. Confidence intervals
      1. Confidence Interval Analysis (CIA)
      
      
   8. Diagnostic tests
      1. Comparison of receiver operating characteristic (ROC) curves
      
      
   9. Exact statistical analysis
      1. Cytel
      
      
   10. Gosset's (Student) t test
       1. t test
       
       
   11. Logistic regression
       1. Conditional logistic regression
       2. C statistic
       
       
   12. Monte Carlo resampling methods
       1. General info
       
       
   13. Randomization
       1. Randomization.com
       
       
   14. Ronald Fisher
       1. Statistical methods for research workers
       
       
   15. Sample size computations
       1. Non-inferiority/superiority for means
       2. Non-inferiority/superiority for proportions
       3. StudySize
       4. Superiority for proportions and means
       
       
   16. SPSS
       1. Syntax examples
       2. Syntax tools
       3. Tutorial on SPSS syntax
       
       
   17. Various topcs
       1. Bruce Weaver
       2. Sisa
       3. Virtual statistician
       4. Wolfgang Viechtbauer
       
       
   
   
6. Studies
   1. Online case report forms or study portals
      1. ART Study
      2. IRCTO: Italian Registry of Chronic Total Occlusion
      3. PERFETTO: Paclitaxel-Eluted Balloon for Provisional Stenting During Bifurcation Lesions Treatment - An Observational Registry
      4. RITMO: Registro Italiano sul Trattamento del Tronco Comune Non Protetto
      
      
   
   
7. Systematic reviews and meta-analyses
   1. Databases
      1. Agency for Healthcare Research and Quality
      2. BioMedCentral
      3. Clinicaltrials.gov
      4. Database of Abstracts of Reviews of Effects
      5. Google Scholar
      6. GoPubMed
      7. IFPMA Clinical Trials Portal
      8. LILACS
      9. UK National Research Register
      10. PubMed
      11. PubMed Interact
      12. SCImago Journal & Country Rank
      13. TrialsCentral
      
      
   2. Freewares
      1. EasyMA
      2. Meta-DiSc
      3. Meta-Stat
      4. RevMan
      
      
   3. Gene Glass
      1. Meta-analysis at 25
      
      
   4. Impact factors
      1. 2005
      2. 2003
      
      
   5. Individual patient data
      1. Cochrane Methods Group
      2. Lesley et al's slides
      
      
   6. Proprietary softwares
      1. Comprehensive Meta-analysis
      2. NCSS
      3. SRS
      
      
   7. The Cochrane Collaboration
      1. Main website
      2. Reviewers' Handbook
      3. RevMan
      
      
   8. Training resources
      1. CMA whitepapers
      2. NHS CRD's distance learning
      
      
   
   
8. Other
   1. Email
      1. Gmail
      2. Yahoo mail
      
      
   2. Encyclopedias
      1. Marquis Who's Who
      2. Wikipedia
      
      
   3. Hosts
      1. Angelfire
      2. Aruba
      3. Register.it
      
      
   4. Libraries
      1. BMA Library
      
      
   5. News
      1. Articolo 21
      2. Beppe Grillo
      3. BusinessWeek
      4. La Stampa
      5. Le Monde
      
      
   6. Open source software
      1. Firefox
      2. Linux
      3. Open Office
      4. Sunbird
      5. Thunderbird
      
      
   7. Other
      1. BRay Med
      2. Heyos
      3. Inciso srl
      
      
   8. Shopping
      1. Amazon
      2. Barnes and Noble
      3. Cardiotext