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Table 4 Table comparing gender and right/left side based on ages and Bonferroni test of dependent variable among different age groups

From: Temporomandibular joint morphology in Korean using cone-beam computed tomography: influence of age and gender

  Side Mean p-value Mean p-value
Male group (n = 120) Female group (N = 120)
1 (N = 40) 2 (N = 40) 3 (N = 40) Male 1 (N = 40) 2 (N = 40) 3 (N = 40) Female
Anteroposterior width Right 8.0 (1.3) 8.0 (1.7) 8.5 (1.4) .317 7.3 (1.5) 7.9 (1.1) 8.7 (1.5)a,b .000
Left 7.6 (1.8) 8.1 (1.7) 8.2 (1.9)a .027 7.3 (1.2) 7.8 (1.5) 8.4 (1.2)a .002
Mediolateral width Right 19.4 (3.7) 21.3 (2.7)a 21.7 (1.8)a .002 18.0 (2.1) 19.0 (2.8) 18.6 (2.0) .216
Left 19.6 (2.7) 21.1 (2.8)a 20.9 (2.4) .030 17.6 (2.5) 17.9 (3.4) 18.5 (2.7) .342
Condyle axis angle Right 70.1 (7.8) 69.2 (6.9) 72.5 (9.6) .212 68.1 (9.9) 71.7 (8.0) 73.1 (8.9)a .039
Left 70.5 (10.4) 71.3 (7.1) 73.8 (9.0) .207 69.7 (8.4) 71.5 (6.5) 75.5 (7.6)a .003
Anterior joint space Right 2.0 (1.1) 2.2 (0.7) 2.0 (1.1) .840 2.0 (0.9) 1.7 (0.6) 2.0 (0.9) .193
Left 1.9 (0.7) 2.4 (0.9)a 1.9 (0.7) .020 2.1 (0.9) 1.9 (0.6) 2.0 (0.7) .670
Superior joint space Right 3.1 (0.8) 4.0 (1.1)a 4.2 (1.2)a .000 3.6 (1.7) 3.5 (1.4) 3.6 (1.4) .931
Left 3.2 (1.3) 4.0 (1.2)a 4.3 (1.4)a .001 3.4 (1.6) 3.4 (1.3) 3.7 (1.2) .690
Posterior joint space Right 2.1 (0.6) 2.5 (1.1) 2.7 (1.7) .111 2.1 (0.9) 2.2 (1.0) 2.6 (1.3) .078
Left 2.0 (0.7) 2.7 (1.2) 2.9 (1.7)a .005 1.9 (0.8) 2.2 (0.9) 2.6 (1.7)a .042
Fossa depth Right 9.7 (3.2) 9.1 (1.4) 8.4 (1.7)a .043 10.5 (4.3) 9.3 (2.2) 8.2 (1.8)a .005
Left 10.1 (3.8) 9.1 (1.7) 8.8 (1.5) .078 10.8 (4.3) 9.1 (2.6) 8.1 (1.8)a .001
Mandibular body Right 91.4 (7.6) 88.2 (6.0) 88.9 (4.5) .055 86.7 (8.4) 83.4 (6.0) 81.6 (5.3)a .004
Left 90.8 (7.0) 87.3 (5.5)a 89.1 (4.1) .028 87.0 (8.4) 83.0 (6.0)a 81.8 (5.6) .002
  1. aP < 0.05 (compare with group 1)
  2. bP < 0.05 (compare with group 2)