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Table 1 Summary of facial landmarks and distances measured in study 1

From: Sexually dimorphic facial features vary according to level of autistic-like traits in the general population

Number

Landmark

Facial distance

1

Ft-Ft

Forehead width

2

Ex-Ex

Outer canthal width

3

N-Prn

Nasal bridge length

4

Sn-Prn

Nasal tip protrusion

5

Sn-Ls

Philtrum length

6

Al-Al

Nose width

7

Ex-En (left)

Eye fissure length (left)

8

Ex-En (right)

Eye fissure length (right)

9

En-En

Intercanthal width

10

Ch-Ch

Mouth width

11

N-Sto

Upper facial height

12

N-Sn

Nose height

13

En-N (left)

Nasal root height (left)

14

En-N (right)

Nasal root height (right)

15

Sn-Sto

Upper lip height

16

Ls-Sto

Upper vermillion height

17

Sto-Li

Lower vermillion height

18

Tr-G

Forehead height

19

Sto-Pg

Mandible height

20

Sbal-Sbal

Alar base width

21

Sbal-Prn

Alar length

22

Tr-Prn

Upper profile height

23

Prn-Pg

Lower profile height