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. 2016 Sep 20;45:48. doi: 10.1186/s40463-016-0161-3

Table 2.

Angle measurements between groups (*p < 0.05)

Angles (mean ± SD) Group 1
(n = 90)
Group 2a
(n = 50)
Group 2b
(n = 35)
Group 2c
(n = 12)
P value
tragion, nasion and pogonion (tra-n-pg)0, 65,8 ± 5,1 68,1 ± 5,2 67,1 ± 4,8 65,9 ± 3,1 0.074
and tragion, nasion and subnasale (tra-n-sn)0 75,7 ± 5,4 77,4 ± 4,7 77,1 ± 5,5 74,7 ± 3,4 0.150
tragion, angulus mandible and gnathion (tra-anm-gn)0 136,8 ± 7,7 135,1 ± 5,6 134 ± 8,9 131,1 ± 5,2 0.035*
Frankfort horizontal plane, gnathion and angulus mandible (frank-gn-anm)0 28 ± 4 28 ± 2,8 28,9 ± 3,5 31 ± 3,9 0.043*
nasion, angulus mandible and gnathion (n-anm-gn)0 67,1 ± 5,4 64,3 ± 5,7 64,1 ± 6,1 63,9 ± 9,2 0.011*