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Table 7 Patient characteristics in Successa and Non-success ANAET Groups

From: Outcomes after the surgery for acquired nonaccommodative esotropia

Variable

Success Group (n = 26)

Non-success Group (n = 9)

P-value

Sex (Male: Female)

15: 11

5: 4

 

Age at onset (years)

10.0 ± 12.1

19.3 ± 24.7

0.392b

Age at surgery (years)

18.8 ± 17.7

22.7 ± 23.9

0.674b

Spherical equivalent

−1.3 ± 5.6

0.5 ± 3.2

0.628b

Duration of symptom (years)

3.9 ± 4.7

5.0 ± 8.4

0.837b

Preoperative follow-up period (months)

12.1 ± 32.1

9.8 ± 25.9

0.420b

Amblyopia

5 (19.2%)

1 (11.1%)

0.891c

Stereopsis by Titmus test (seconds of arc)

(n = 16)

(n = 6)

 

 Stereopsis of 40-60

3 (18.8%)

0 (0%)

0.235c

 Stereopsis of 80-3000

7 (43.8%)

3 (50.0%)

0.456c

 No stereopsis

6 (37.5%)

3 (50.0%)

0.443c

Worth-4-dot

(n = 17)

(n = 6)

 

 Fusion

2 (11.8%)

1 (16.7%)

0.306c

Alternate fixation

5

0

0.374c

Accompanying strabismus

 Vertical strabismus

2

3

0.125c

Preoperative angle of esodeviation (PD)

 Distance

36.6 ± 10.3

38.5 ± 18.0

0.940b

 Near

37.7 ± 13.9

40.5 ± 22.2

1.000b

Type of surgery

 BMR

11

3

0.581c

 RR

13

4

0.285c

 UMR

2

2

0.134c

Postoperative follow-up period (months)

45.8 ± 51.5

78.2 ± 68.3

0.203b

  1. ANAET acquired nonaccommodative esotropia, DVD dissociated vertical deviation, PD prism diopters, BMR bilateral medial rectus recession, RR unilateral medial rectus recession and lateral rectus resection, UMR unilateral medial rectus recession
  2. aSurgical success was defined as esotropia or exotropia of 8 PD or less at final follow-up(at both distance and near)
  3. bMann-Whitney U test; cFisher’s exact test