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Table 5 Statistic analysis of the width of radiolucency according to the Pell and Gregory and final Winter’s classification at T1

From: Correlational study of impacted and non-functional lower third molar position with occurrence of pathologies

  Width of radiolucency  
Variable Average Median SD CV Minimum Maximum p value
• Pell & Gregory—vertical at T1
 A 1.35 1.41 0.89 65.93 0.00 3.13 p a = 0.014*
 B 1.98 1.83 0.61 30.81 0.93 3.39  
  1. Obs.: p = 0.014*a
  2. *Significant difference at 5 %
  3. aThrough the Student’s t test with equal variances