Long-term outcomes of unilateral lateral rectus recession versus recess-resect for intermittent exotropia of 20-25 prism diopters

Table 2 Preoperative characteristics of ULR and RR group

	ULR group	RR group	Pvalue
	(n = 82)	(n = 98)	Pvalue
Age at surgery	5.93 ± 2.35	6.76 ± 2.31	0.105^a
Sex (male/female)	42/40	47/51	0.863^b
Preoperative mean exodeviation (PD)
at distance	22.07 ± 2.48	22.76 ± 2.49	0.069^a
at near	22.01 ± 3.41	22.87 ± 4.12	0.102^a
Fusion on worth-4-dots (n)
at far	29 (35.4%)	38 (38.8%)	0.637^b
at near	46 (56.1%)	51 (52.1%)	0.587^b
Good stereopsis (≤100 seconds)	58/72 (80.6%)	65/83 (78.3%)	0.731^b
BCVA
OD, mean (range)	20/22 (20/50 ~ 20/20)	20/22 (20/50 ~ 20/20)	0.650^a
OS, mean (range)	20/22 (20/50 ~ 20/20)	20/23 (20/100 ~ 20/20)	0.297^a
Refractive error (D)
OD, mean (range)	−0.18 (-6.50 ~ +6.00)	0.00 (-8.00 ~ +6.50)	0.405^a
OS, mean (range)	−0.09 (-7.00 ~ +6.50)	0.00 (-8.50 ~ +6.50)	0.407^a
Lateral gaze incomitance (n)	2 (2.4%)	5 (5.1%)	0.357^b
Amblyopia (n)	10 (12.2%)	15 (15.3%)	0.548^b
Anisometropia (n)	4 (4.9%)	7 (7.1%)	0.528^b
Follow-up (months)	53.8 ± 26.4	52.5 ± 27.4	0.482^a

BCVA = best-corrected visual acuity, D = diopters, ULR = unilateral lateral rectus recession, RR = unilateral recess-resect.
PD = prism diopters, n = number.
^aMann-Whitney U-test, ^bPearson chi-square test.

ISSN: 1471-2415