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Table 1 Age and gender characteristics of the three groups

From: Cone-beam computed tomography-based analysis of maxillary sinus pneumatization extended into the alveolar process in different age groups

Variables

Group I (n = 147)

Group II (n = 101)

Group III (n = 45)

P value

Age, years (mm)

25.58 ± 0.40

44.72 ± 0.70

64.71 ± 0.60

< 0.001

Gender, n (%)

   

0.705

 Male

68 (46.3%)

52 (51.5%)

21 (46.7%)

 

 Female

79 (53.7%)

49 (48.5%)

24 (53.3%)

 
  1. Age was expressed as mean ± standard deviation and one-way analysis of variance was performed for statistical analysis. Gender was expressed by n (%), and chi-square test was used to analyze statistical differences