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Howick, Jeremy; Koletsi, Despina; Ioannidis, John P A; Madigan, Claire; Pandis, Nikolaos; Loef, Martin; Walach, Harald; Sauer, Sebastian; Kleijnen, Jos; Seehra, Jadbinder; Johnson, Tess; Schmidt, Stefan (2022). Most healthcare interventions tested in Cochrane Reviews are not effective according to high quality evidence: a systematic review and meta-analysis. Journal of clinical epidemiology, 148, pp. 160-169. Elsevier 10.1016/j.jclinepi.2022.04.017
Howick, Jeremy; Koletsi, Despina; Pandis, Nikolaos; Fleming, Padhraig S; Loef, Martin; Walach, Harald; Schmidt, Stefan; Ioannidis, John P A (2020). The quality of evidence for medical interventions does not improve or worsen: a metaepidemiological study of Cochrane reviews. Journal of clinical epidemiology, 126, pp. 154-159. Elsevier 10.1016/j.jclinepi.2020.08.005
Gratsia, Sophia; Koletsi, Despina; Fleming, Padhraig S; Pandis, Nikolaos (2020). A priori power considerations in orthodontic research: a 3 year meta-epidemiologic study. European journal of orthodontics, 42(4), pp. 454-459. Oxford University Press 10.1093/ejo/cjz061
Koletsi, Despina; Solmi, Marco; Pandis, Nikolaos; Fleming, Padhraig S; Correll, Christoph U; Ioannidis, John P A (2020). Most recommended medical interventions reach P < 0.005 for their primary outcomes in meta-analyses. International journal of epidemiology, 49(3), pp. 885-893. Oxford University Press 10.1093/ije/dyz241
Koufatzidou, Marianna; Koletsi, Despina; Basdeki, Eirini Iouliani; Pandis, Nikolaos; Polychronopoulou, Argy (2019). Pediatricians' awareness on orthodontic problems and related conditions-a national survey. Progress in orthodontics, 20(1), p. 33. Springer 10.1186/s40510-019-0285-x
Koufatzidou, Marianna; Koletsi, Despina; Fleming, Padhraig S.; Polychronopoulou, Argy; Pandis, Nikolaos (2019). Outcome reporting discrepancies between trial entries and published final reports of orthodontic randomized controlled trials. European journal of orthodontics, 41(3), pp. 225-230. Oxford University Press 10.1093/ejo/cjy046
Gratsia, Sophia; Koletsi, Despina; Fleming, Padhraig S; Pandis, Nikolaos (2019). Statistical testing against baseline in orthodontic research: a meta-epidemiologic study. European journal of orthodontics, 41(2), pp. 165-171. Oxford University Press 10.1093/ejo/cjy029
Koletsi, Despina; Makou, Margarita; Pandis, Nikolaos (2018). Effect of orthodontic management and orofacial muscle training protocols on the correction of myofunctional and myoskeletal problems in developing dentition. A systematic review and meta-analysis. Orthodontics & craniofacial research, 21(4), pp. 202-215. Wiley 10.1111/ocr.12240
Koletsi, Despina; Fleming, Padhraig S; Michelaki, Iris; Pandis, Nikolaos (2018). Heterogeneity in Cochrane and non-Cochrane meta-analyses in orthodontics. Journal of dentistry, 74, pp. 90-94. Elsevier Science 10.1016/j.jdent.2018.05.003
Koletsi, Despina; Pandis, Nikolaos (2018). Statistical testing against baseline. American journal of orthodontics and dentofacial orthopedics, 153(2), p. 317. Elsevier 10.1016/j.ajodo.2017.11.016
Koletsi, Despina; Pandis, Nikolaos (2018). Ordinal logistic regression. American journal of orthodontics and dentofacial orthopedics, 153(1), pp. 157-158. Elsevier 10.1016/j.ajodo.2017.11.011
Pandis, Nikolaos; Fleming, Padhraig S; Koletsi, Despina; Hopewell, Sally (2016). The citation of relevant systematic reviews and randomised trials in published reports of trial protocols. Trials, 17(1), p. 581. BioMed Central 10.1186/s13063-016-1713-6
Koletsi, Despina; Pandis, Nikolaos (2016). The chi-square test for trend. American journal of orthodontics and dentofacial orthopedics, 150(6), pp. 1066-1067. Mosby 10.1016/j.ajodo.2016.10.001
Fleming, Padhraig S; Koletsi, Despina; Ioannidis, John P A; Pandis, Nikolaos (2016). High quality of the evidence for medical and other health-related interventions was uncommon in Cochrane systematic reviews. Journal of clinical epidemiology, 78, pp. 34-42. Elsevier 10.1016/j.jclinepi.2016.03.012
Koletsi, Despina; Valla, Kalliopy; Fleming, Padhraig S; Chaimani, Anna; Pandis, Nikolaos (2016). Assessment of publication bias required improvement in oral health systematic reviews. Journal of clinical epidemiology, 76, pp. 118-124. Elsevier 10.1016/j.jclinepi.2016.02.019
Fleming, Padhraig S; Koletsi, Despina; O'Brien, Kevin; Tsichlaki, Aliki; Pandis, Nikolaos (2016). Are dental researchers asking patient-important questions? A scoping review. Journal of dentistry, 49, pp. 9-13. Elsevier Science 10.1016/j.jdent.2016.04.002
Koletsi, Despina; Spineli, Loukia M; Lempesi, Evangelia; Pandis, Nikolaos (2016). Risk of bias and magnitude of effect in orthodontic randomized controlled trials: a meta-epidemiological review. European journal of orthodontics, 38(3), pp. 308-312. Oxford University Press 10.1093/ejo/cjv049
Spanou, Anastasia; Koletsi, Despina; Fleming, Padhraig S; Polychronopoulou, Argy; Pandis, Nikolaos (2016). Statistical analysis in orthodontic journals: are we ignoring confounding? European journal of orthodontics, 38(1), pp. 32-38. Oxford University Press 10.1093/ejo/cjv004
Seehra, Jadbinder; Pandis, Nikolaos; Koletsi, Despina; Fleming, Padhraig S (2016). Use of quality assessment tools in systematic reviews was varied and inconsistent. Journal of clinical epidemiology, 69, pp. 179-184. Elsevier 10.1016/j.jclinepi.2015.06.023
Koletsi, Despina; Madahar, Arun; Fleming, Padhraig S; Pandis, Nikolaos (2015). Statistical testing against baseline was common in dental research. Journal of clinical epidemiology, 68(7), pp. 776-781. Elsevier 10.1016/j.jclinepi.2015.01.005
Fleming, Padhraig S; Koletsi, Despina; Dwan, Kerry; Pandis, Nikolaos (2015). Outcome discrepancies and selective reporting: impacting the leading journals? PLoS ONE, 10(5), e0127495. Public Library of Science 10.1371/journal.pone.0127495
Koletsi, Despina; Fleming, Padhraig S; Eliades, Theodore; Pandis, Nikolaos (2015). The evidence from systematic reviews and meta-analyses published in orthodontic literature. Where do we stand? European journal of orthodontics, 37(6), pp. 603-609. Oxford University Press 10.1093/ejo/cju087
Fleming, Padhraig S; Koletsi, Despina; Seehra, Jadbinder; Pandis, Nikolaos (2014). Systematic reviews published in higher impact clinical journals were of higher quality. Journal of clinical epidemiology, 67(7), pp. 754-759. Elsevier 10.1016/j.jclinepi.2014.01.002
Lempesi, Evangelia; Koletsi, Despina; Fleming, Padhraig S; Pandis, Nikolaos (2014). The reporting quality of randomized controlled trials in orthodontics. Journal of evidence-based dental practice, 14(2), pp. 46-52. Mosby 10.1016/j.jebdp.2013.12.001
Fleming, Padhraig S; Koletsi, Despina; Pandis, Nikolaos (2014). Blinded by PRISMA: are systematic reviewers focusing on PRISMA and ignoring other guidelines? PLoS ONE, 9(5), e96407. Public Library of Science 10.1371/journal.pone.0096407
Koletsi, Despina; Fleming, Padhraig S; Seehra, Jadbinder; Bagos, Pantelis G; Pandis, Nikolaos (2014). Are sample sizes clear and justified in RCTs published in dental journals? PLoS ONE, 9(1), e85949. Public Library of Science 10.1371/journal.pone.0085949
Koletsi, Despina; Pandis, Nikolaos; Fleming, Padhraig S (2014). Sample size in orthodontic randomized controlled trials: are numbers justified? European journal of orthodontics, 36(1), pp. 67-73. Oxford University Press 10.1093/ejo/cjt005
Fleming, Padhraig S; Koletsi, Despina; Polychronopoulou, Argy; Eliades, Theodore; Pandis, Nikolaos (2013). Are clustering effects accounted for in statistical analysis in leading dental specialty journals? Journal of dentistry, 41(3), pp. 265-70. Elsevier Science 10.1016/j.jdent.2012.11.012
Koletsi, Despina; Pandis, Nikolaos; Polychronopoulou, Argy; Eliades, Theodore (2012). Mislabeling controlled clinical trials (CCTs) as "randomized clinical trials (RCTs)" in dental specialty journals. Journal of evidence-based dental practice, 12(3), pp. 124-30. St. Louis, Mo.: Mosby 10.1016/j.jebdp.2012.05.002
Koletsi, Despina; Pandis, Nikolaos; Polychronopoulou, Argy; Eliades, Theodore (2012). What's in a title? An assessment of whether randomized controlled trial in a title means that it is one. American journal of orthodontics and dentofacial orthopedics, 141(6), pp. 679-85. St. Louis, Mo.: Mosby 10.1016/j.ajodo.2011.12.020
Koletsi, Despina; Pandis, Nikolaos; Polychronopoulou, Argy; Eliades, Theodore (2012). Does published orthodontic research account for clustering effects during statistical data analysis? European journal of orthodontics, 34(3), pp. 287-92. Oxford: Oxford University Press 10.1093/ejo/cjr122
