Table 1 Characteristics of subjects.

From: Development of a neural network-based automated eyelid measurement system

Variables

Total

Normal

Ptosis

Graves’ orbitopathy

p-value

(N = 300)

(N = 100)

(N = 100)

(N = 100)

Age (years)

50.5 ± 18.6

50 ± 19.3

63.9 ± 13.3

37.6 ± 12.1

 < 0.001*

Sex

    

 < 0.001**

 Male, n (%)

96 (32.0%)

44 (44.0%)

34 (34.0%)

18 (18.0%)

 

 Female, n (%)

204 (68.0%)

56 (56.0%)

66 (66.0%)

82 (82.0%)

 

MRD1 (mm)#

3.0 ± 1.5

3.1 ± 0.8

1.4 ± 0.6

4.4 ± 1.3

 < 0.001*

MRD2 (mm)#

5.8 ± 1.3

5.8 ± 1.1

5.1 ± 1.2

6.4 ± 1.2

 < 0.001*

  1. MRD1, margin–reflex distance 1; MRD2, margin–reflex distance 2.
  2. *ANOVA, pairwise t-test.
  3. **chi-square test.
  4. #measured by ImageJ.