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Table 2 Comparison of LNIG and CG on age

From: Risk of lingual nerve injuries in removal of mandibular third molars: a retrospective case-control study

  This study (LNIG) Almendros-Marqués et al, 2006 (CG) [15] Smith et al, 2013 (CG) [11] Cheng et al, 2010 (CG) [9] Uematsu et al, 2015 (CG) [16]
Age range 15-67 16-64 13-87 14-82  
Mean 36.5 27.32 33.9 27.2 30.5
Sample size (patients) 79 165 1000 3595 461
Power   0.99 0.46 1.00 0.97
P value   < 0.0001 0.0619 < 0.0001 < 0.0001
  1. Abbreviations: LNIG lingual nerve injury group, CG control group
  2. P value (t test): The mean age in this study was statistically compared to the mean age of the other past studies. P < 0.05 was considered to be statistically significant