Table 3 Method error according to Dahlberg’s formula

Nasofrontal

0.76

Vertical Nasal

0.3

Nasolabial

2.5

Labiomental

2.76

Nasal angle

2.52

Cervicomental

0.5

Medium facial third

0.28

Inferior facial third

0.38

Angle of head position

0.25

Facial convexity

0.44

Total facial convexity

0.45

Glabella-pogonion vertical

0.11