Table 3.

Subgroup Analysis of Factors Associated with Successful Surgical Treatment (Horizontal Strabismus vs Vertical Rectus Muscle Transposition Surgery)

Horizontal strabismus surgery						Vertical rectus muscle transposition
	success		Nonsuccess		p–value		success		Nonsuccess		p–value
	n	%	n	%			n	%	n	%
Age					0.515	Age					0.798
Mean ± SD		46.27 ± 22.04		38.75 ± 15.67		Mean ± SD	40.4±7.43		41.67 ± 4.93
Onset (year)					0.116	Onset (year)					0.060
Mean ± SD		3.27 ± 3.6		9 ± 8.21		Mean ± SD	2.3±1.77		14 ± 10.39
Stereopsis					0.827	Stereopsis					0.279
Present	3	75.0	1	25.0		Present	3	100.0	0	0.0
Absent	12	80.0	3	20.0		Absent	7	70.0	3	30.0
Etiology					0.708	Etiology					0.754
Idiopathic	4	66.7	2	33.3		Idiopathic	2	66.7	1	33.3
Vascular	4	80.0	1	20.0		Vascular	2	100.0	0	0.0
Carotid–cavernous fistula	1	100.0	0	0.0		Carotid–cavernous fistula	1	100.0	0	0.0
Increase in intracranial pressure	2	66.7	1	33.3		Increase in intracranial pressure	0	0.0	0	0.0
Trauma	4	100.0	0	0.0		Trauma	5	71.4	2	28.6
Limitations of abduction (percentage pass midline)					0.794	Limitations of abduction (percentage pass midline)					0.728
Mean ± SD		54 ± 26.13		50 ± 35.59		Mean ± SD	2.00 ± 46.6		−6.67 ± 11.55
Number of surgical muscles					0.622	Number of surgical muscles					0.569
1	2	100.0	0	0.0		1	0	0.0	0	0.0
2	12	75.0	4	25.0		2	9	75.0	3	25.0
3	1	100.0	0	0.0		3	1	100.0	0	0.0
Surgery					0.195	Surgery					NA
Unilateral recess	2	100.0	0	0.0		Unilateral recess	0	0.0	0	0.0
Recess and resection	9	90.0	1	10.0		Recess and resection	0	0.0	0	0.0
Bilateral recess	4	57.1	3	42.9		Bilateral recess	0	0.0	0	0.0
Vertical rectus muscle transposition	0	0.0	0	0.0		Vertical rectus muscle transposition	10	76.9	3	23.1
Preoperative angle					0.004	Preoperative angle					0.165
Mean ± SD		32 ± 9.6		65 ± 26.14		Mean ± SD	63.5 ± 20.82		83.33 ± 5.77

Note: Data are presented as the mean ± SD or n (%) of patients.

Abbreviations: SD, standard deviation; NA, not applicable.