Quality of randomised controlled trials in dentistry

International Dental Journal

Volumn 61, Issue 1, 2011, Pages 37-42

  Cioffi, Iacopo ^a   Farella, Mauro ^b  

^a UNIVERSITY OF NAPLES FEDERICO II   (Italy)

^b UNIVERSITY OF OTAGO   (New Zealand)

Author keywords

quality; Randomized controlled trials (RCTs)

Indexed keywords

ARTICLE; DENTAL RESEARCH; EVIDENCE BASED DENTISTRY; HUMAN; QUALITY CONTROL; RANDOMIZED CONTROLLED TRIAL (TOPIC); STANDARD;

DENTAL RESEARCH; EVIDENCE-BASED DENTISTRY; HUMANS; QUALITY CONTROL; RANDOMIZED CONTROLLED TRIALS AS TOPIC;

EID: 79952541937     PISSN: 00206539     EISSN: 1875595X     Source Type: Journal    
DOI: 10.1111/j.1875-595X.2011.00007.x     Document Type: Article

References (41)

1. Rosenberg WC, Donald A,. Evidence based Medicine: an approach to clinical problem solving. Br Med J 1995 310: 1122-1126.
2. Pocock SJ,. Clinical Trials-A Practical Approach. Chichester: John Wiley & Sons Ltd; 1996.
3. Verhagen AP, de Vet HCW, de Bie RA, et al. The art of quality assessment of RCTs included in systematic reviews. J Clin Epidemiol 2001 54: 651-654. (Pubitemid 32594850)
4. Sackett DL, Straus SE, Richardson S, et al. Evidence-Based Medicine: How to Practice and Teach. EBM 2nd edition. London: Churchill-Livingstone; 2000.
5. Sjogren P, Halling A,. Quality of reporting randomised clinical trials in dental and medical research. Br Dent J 2002 192: 100-103.
6. Jadad AR,. Randomised controlled trials: a user's guide. London: BMJ Books, 1998.
7. Jadad AR, Moore RA, Carroll D, et al. Assessing the quality of reports of randomized clinical trials: is blinding necessary? Control Clin Trials 1996 17: 1-12. (Pubitemid 26120810)
8. Moher D, Pham B, Jones A, et al. Does quality of reports of randomised trials affect estimates of intervention efficacy reported in meta-analyses? Lancet 1998 352: 609-613. (Pubitemid 28380142)
9. Schultz KF, Chalmers A, Haynes RJ, et al. Empirical evidence of bias. J Am Med Assoc 1995 273: 408-412.
10. Juni P, Witschi A, Bloch R, et al. The hazards of scoring the quality of clinical trials for meta-analysis. J Am Med Assoc 1999 282: 1054-1060. (Pubitemid 29436453)
11. Moher D, Jadad AR, Nichol G, et al. Assessing the quality of randomized controlled trials: an annotated bibliography of scales and checklists. Control Clin Trials 1996 16: 62-73.
12. Olivo SA, Macedo LG, Gadotti IC, et al. Scales to assess the quality of randomized controlled trials: a systematic review. Phys Ther 2008 88: 156-175. (Pubitemid 351210558)
13. Jadad AR, Cook DJ, Jones AL, et al. The quality of randomised controlled trials included in meta-analyses and systematic reviews: how often and how is it assessed? Abstract presented at the 4th Cochrane Colloquium, Adelaide, Australia, October, 1996.
14. Bhandari M, Richards RR, Sprague S, et al. Quality in the reporting of randomized trials in surgery: is the Jadad scale reliable? Control Clin Trials 2001 22: 687-688.
15. Boutron I, Tubach F, Giraudeau B, et al. Methodological differences in clinical trials evaluating nonpharmacological and pharmacological treatments of hip and knee osteoarthritis. JAMA 2003 290: 1062-1070. (Pubitemid 37430447)
16. Baron G, Boutron I, Giraudeau B, et al. Violation of the intent-to-treat principle and rate of missing data in superiority trials assessing structural outcomes in rheumatic diseases. Arthritis Rheum 2005 52: 1858-1865. (Pubitemid 40852895)
17. Shakespeare TP, Thiagarajan A, Gebski V,. Evaluation of the quality of radiotherapy randomized trials for painful bone metastases: implications for future research design and reporting. Cancer 2005 103: 1976-1981. (Pubitemid 40563272)
18. Seferiadis A, Rosenfeld M, Gunnarsson R,. A review of treatment interventions in whiplash-associated disorders. Eur Spine J 2004 13: 387-397. (Pubitemid 39141499)
19. Clark HD, Wells GA, Huet C, et al. Assessing the quality of randomized trials: reliability of the Jadad scale. Control Clin Trials 1999 20: 448-452. (Pubitemid 29460921)
20. Latronico N, Botteri M, Minelli C, et al. Quality of reporting of randomised controlled trials in the intensive care literature: a systematic analysis of papers published in Intensive Care Medicine over 26 years. Intensive Care Med 2002 28: 1316-1323. (Pubitemid 35025052)
21. Kjaergard LL, Villumsen J, Gluud C,. Reported methodological quality and discrepancies between large and small randomized trials in meta-analyses. Ann Intern Med 2001 135: 982-989. (Pubitemid 33131619)
22. Verhagen AP, de Vet HC, de Bie RA, et al. The Delphi list: a criteria list for quality assessment of randomized clinical trials for conducting systematic reviews developed by Delphi consensus. J Clin Epidemiol 1998 51: 1235-1241. (Pubitemid 29009523)
23. Brouwer RW, Jakma TS, Bierma-Zeinstra SM, et al. Osteotomy for treating knee osteoarthritis. Cochrane Database Syst Rev 2005 1: CD00401.
24. Verhagen AP, Damen L, Berger MY, et al. Is any one analgesic superior for episodic tension-type headache? J Fam Pract 2006 55: 1064-1072. (Pubitemid 44958206)
25. Available from
26. Brandt C, Sole G, Krause MW, et al. An evidence-based review on the validity of the Kaltenborn rule as applied to the glenohumeral joint. Man Ther 2007 12: 3-11. (Pubitemid 46187143)
27. Sherrington C, Herbert RD, Maher CG, et al. PEDro: a database of randomized trials and systematic reviews in physiotherapy. Man Ther 2000 5: 223-226.
28. Moher D, Jadad AR, Tugwell P,. Assessing the quality of randomized controlled trials. Current issues and future directions. Int J Technol Assess Health Care 1996 12: 195-208. (Pubitemid 26195520)
29. Juni P, Altman DG, Egger M,. Systematic reviews in health care: assessing the quality of controlled clinical trials. Br Med J 2001 323: 42-46. (Pubitemid 32682008)
30. Available from
31. Moher D, Jones A, Lepage L,. Use of CONSORT statement and quality of reports of randomized trials: a comparative before-and-after evaluation. J Am Med Assoc 2001 285: 1992-1995. (Pubitemid 32366952)
32. Parent N, Hanley JA,. Assessing quality of reports on randomized clinical trials in nursing journals. Can J Cardiovasc Nurs 2009 19: 25-39.
33. Andersson D, Samuelsson K, Karlsson J,. Treatment of anterior cruciate ligament injuries with special reference to surgical technique and rehabilitation: an assessment of randomized controlled trials. Arthroscopy 2009 25: 653-685.
34. Karri V,. Randomised clinical trials in plastic surgery: survey of output and quality of reporting. J Plast Reconstr Aesthet Surg 2006 59: 787-796. (Pubitemid 44109129)
35. Xu L, Li J, Zhang M, et al. Chinese authors do need CONSORT: reporting quality assessment for five leading Chinese medical journals. Contemp Clin Trials 2008 29: 727-731.
36. Al-Namankany AA, Ashley P, Moles DR, et al. Assessment of the quality of reporting of randomized clinical trials in paediatric dentistry journals. Int J Paediatr Dent 2009 19: 318-324.
37. Dumbrigue HB, Al-Bayat MI, Ng CC, et al. Assessment of bias in methodology for randomized controlled trials published on implant dentistry. J Prosthodont 2006 15: 257-263. (Pubitemid 43979248)
38. Jokstad A, Esposito M, Coulthard P, et al. The reporting of randomized controlled trials in prosthodontics. Int J Prosthodont 2002 15: 230-242.
39. Barbui C, Cipriani A, Malvini L, et al. Validity of the impact factor of journals as a measure of randomized controlled trial quality. J Clin Psychiatry 2006 67: 37-40. (Pubitemid 43213280)
40. Harrison JE,. Clinical trials in orthodontics II: assessment of the quality of reporting of clinical trials published in three orthodontic journals between 1989 and 1998. J Orthod 2003 30: 309-315.
41. Haahr MT, Hrõbjartsson A,. Who is blinded in randomized clinical trials? A study of 200 trials and a survey of authors Clin Trials 2006 3: 360-365. (Pubitemid 44645826)