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Djulbegovic, Benjamin; Koletsi, Despina; Hozo, Iztok; Price, Amy; Martimbianco, Ana Luiza Cabrera; Riera, Rachel; Nadanovsky, Paulo; Dos Santos, Ana Paula Pires; Pandis, Nikolaos; Pacheco, Rafael Leite; Fontes, Luis Eduardo; Seehra, Jadbinder; Ahmed, Muneeb; Yao, Liang; Nunan, David; Hemkens, Lars G (2024). High certainty evidence is stable and trustworthy, whereas evidence of moderate or lower certainty may be equally prone to being unstable. (In Press). Journal of clinical epidemiology, 171, p. 111392. Elsevier 10.1016/j.jclinepi.2024.111392
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
