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Nonselective Laryngeal Reinnervation Versus Type 1 Thyroplasty in Patients With Unilateral Vocal Fold Paralysis

Published:September 01, 2020DOI:https://doi.org/10.1016/j.jvoice.2020.08.009
      We studied with great interest a recent published article by Ab Rani et al
      • Ab Rani A
      • Azman M
      • Ubaidah MA
      • et al.
      Nonselective laryngeal reinnervation versus type 1 thyroplasty in patients with unilateral vocal fold paralysis: a single tertiary centre experience.
      entitled "Nonselective Laryngeal Reinnervation versus Type 1 Thyroplasty in Patients with Unilateral Vocal Fold Paralysis: A Single Tertiary Centre Experience" which has been published in Journal of Voice. The authors investigated some numerical variables at baseline, 6, and 12 months postoperative. They used one-way analysis of variance (ANOVA) to compare the numerical variables between three time-points of measurement. One-way ANOVA is a statistical test for comparison of numerical variables between three or more independent groups.
      • Farrokhi M
      • Peykanpour F
      Statistical comments on “Salivary iron (Fe) ion levels, serum markers of anemia and caries activity in pregnant women”.
      • Farrokhi M
      Reply to: statistical support for Sema3A and multiple sclerosis.
      • Farrokhi M
      • Arjaki D
      Statistical comments on “Cytokine and chemokine profiles in patients with neuromyelitis optica spectrum disorder”.
      • Farrokhi M
      • Peykanpour F
      Vascular endothelial growth factor–loaded bioresorbable delivery system for pulp regeneration.
      Repeated measures ANOVA and Friedman are tested for comparison of numerical variables between three or more time-points of measurement.
      • Farrokhi M
      • Amani-Beni A
      Statistical comments on" assessment of musculoskeletal strength and levels of fatigue during different phases of menstrual cycle in young adults".
      • Farrokhi M
      • Ebrahimi M
      • Peykanpour F
      Effect of surgical intraocular pressure lowering on retinal structures—nerve fibre layer, foveal avascular zone, peripapillary and macular vessel density: 1 year results.
      • Farrokhi M
      Statistical comments on “Does player time-in-game affect tackle technique in elite level rugby union?”.
      • Farrokhi M
      Assessment of bioelectrical activity of pelvic floor muscles.
      • Farrokhi M
      Seasonal variation of vitamin D and Epstein−Barr virus antibody in multiple sclerosis patients.
      Therefore, the authors must use repeated measures ANOVA or Friedman test to compare numerical variables between baseline, 6, and 12 months postoperative. Furthermore, they must use paired t test or Wilcoxon Signed Rank test instead of Mann-Whitney for comparison of numerical variables between each two time-points of measurement.
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      References

        • Ab Rani A
        • Azman M
        • Ubaidah MA
        • et al.
        Nonselective laryngeal reinnervation versus type 1 thyroplasty in patients with unilateral vocal fold paralysis: a single tertiary centre experience.
        J Voice. 2019;
        • Farrokhi M
        • Peykanpour F
        Statistical comments on “Salivary iron (Fe) ion levels, serum markers of anemia and caries activity in pregnant women”.
        Rev Brasil Ginecol Obstet. 2017; 39: 583
        • Farrokhi M
        Reply to: statistical support for Sema3A and multiple sclerosis.
        Gene. 2017; 631: 52
        • Farrokhi M
        • Arjaki D
        Statistical comments on “Cytokine and chemokine profiles in patients with neuromyelitis optica spectrum disorder”.
        Neuroimmunomodulation. 2017; 24: 120
        • Farrokhi M
        • Peykanpour F
        Vascular endothelial growth factor–loaded bioresorbable delivery system for pulp regeneration.
        J Endod. 2017; 43: 1414
        • Farrokhi M
        • Amani-Beni A
        Statistical comments on" assessment of musculoskeletal strength and levels of fatigue during different phases of menstrual cycle in young adults".
        J Clin Diagn Res JCDR. 2017; 11: CL01
        • Farrokhi M
        • Ebrahimi M
        • Peykanpour F
        Effect of surgical intraocular pressure lowering on retinal structures—nerve fibre layer, foveal avascular zone, peripapillary and macular vessel density: 1 year results.
        Eye. 2019; 34: 1710
        • Farrokhi M
        Statistical comments on “Does player time-in-game affect tackle technique in elite level rugby union?”.
        J Sci Med Sport. 2018; 21: 872
        • Farrokhi M
        Assessment of bioelectrical activity of pelvic floor muscles.
        Eur J Phys Rehabil Med. 2018; 54: 645
        • Farrokhi M
        Seasonal variation of vitamin D and Epstein−Barr virus antibody in multiple sclerosis patients.
        Eur J Neurol. 2018; 25: e103

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