Table 1: Data of consecutive and constant exotropia patients' groups

 

Consecutive XT (n:18)

Constant XT

(n:18)

P value

Gender

Male (n)

Female (n)

 

12

6

 

8

10

 

 

P:0.31a

Age at diagnosis (years)

20.0 ± 9.4

18.19 ±10.3

P:0.58b

Age at XT surgery (years)

20.4 ± 9.3

19.6 ± 10.3

P:0.84b

Visual acuity

Right

Left

 

0.72 ± 0.3

0.77 ± 0.3

 

0.71 ± 0.4

0.68 ± 0.3

 

P:0.81b

P:0.37b

SE (D)

Right

Left

 

0.75 (-0.75 - +3.75)

0.50 (-0.75 - +4.25)

 

0 (-4.0 - +1.0)

0 (-3.5 - +3.5)

 

P:0.019b

P:0.006b

Preoperative deviation (PD)

33.61 ± 7.4

36.94 ± 11.6

P:0.52b

Postoperative deviation (PD)

0 ((-14) - 0)*

0 ((-6 )- 20)*

P:0.40b

MR advancement &resection (mm)

5.58 ± 1.07

5.13 ± 0.76

P:0.38b

LR recession (mm)

7.47 ± 1.7

7.63 ± 1.2

P:0.74b

Amount of improvement (PD)

35.50 ± 8.3

35.83 ± 11.8

P:0.92b

Follow-up(months)

12.0 ± 9.4

8.6 ± 2.7

P:0.58b

XT: Exotropia
LR: Lateral rectus
SE: Spherical equivalent
PD: Prism diopter
D: Diopter
mm: Milimeter
n: Number
* : Minus indicates postoperative esotropia
a : Chi-Square test
b : Mann-Whitney U test