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. 2012 May 15;8:15. doi: 10.1186/1746-160X-8-15

Table 1.

Descriptive statistics of condylar volume (mm3) in the whole sample, and in subjects classified on the base of mandibular divergence, or skeletal class

Data in the whole sample
 
 N = 34 (15 F and 19 M)
 Mean
 SD
 Minimum
 Maximum
 P
Volume (right side)
 94 (46 F and 48 M)
 2535.2
 684.7
 1058.7
 3775.6
 NS
Volume (left side)
 94(46 F and 48 M)
 2569.1
 673.2
 1006.4
 4153.2
  
Low angle group (GoGn-SN angle ≤ 27°)
 
 N = 34 (15 F and 19 M)
 Mean
 SD
 Minimum
 Maximum
 P
Volume (right side)
 34
 2968.08
 690.4
 1999.1
 3775.6
 ** P < 0.01 versus the other two groups
Volume (left side)
 34
 3037.4
 777.9
 2003.3
 4153.2
 ** P < 0.01 versus the other two groups
Normal angle group (28° ≤ GoGn-SN angle ≤ 37°)
 
 N = 42 (22 F and 20 M)
 Mean
 SD
 Minimum
 Maximum
 P
Volume (right side)
 42
 2492.3
 709.7
 1301.0
 3752.2
 ** P ≤ 0.01 versus the low angle group
Volume (left side)
 42
 2669.7
 742.7
 1349.3
 3739.3
 ** P ≤ 0.01 versus the low angle group
High angle group (GoGn-SN angle ≥ 37°)
 
 N = 18 (9 F and 9 M)
 Mean
 Std. Deviation
 Minimum
 Maximum
 P
Volume (right side)
 18
 2441.2
 660.3
 1058.7
 3608.0
 ** P ≤ 0.01 versus the high angle group
Volume (left side)
 18
 2577.5
 550.5
 1006.4
 3183.3
 ** P ≤ 0.01 versus the high angle group
Class II group
 
 N = 31 (15 F and 16 M)
 Mean
 SD
 Minimum
 Maximum
 P
Volume (right side)
 31
 2520.2
 640.5
 1058.7
 3775.6
 NS
Volume (left side)
 31
 2520.2
 640.5
 1058.7
 3775.6
 NS
Class I group
 
 N = 38 (18 F and 20 M)
 Mean
 SD
 Minimum
 Maximum
 P
Volume (right side)
 38
 2580.0
 730.2
 1495.7
 3680.2
 NS
Volume (left side)
 38
 2449.3
 780.9
 1490.4
 3550.3
 NS
Cass III group
 
 N = 25 (13 F and 12 M)
 Mean
 Std. Deviation
 Minimum
 Maximum
 P
Volume (right side)
 25
 2592.6
 699.6
 1006.4
 3590.2
 NS
Volume (left side) 25 2570.7 679.4 1920.1 3658.3 NS