. Author manuscript; available in PMC: 2017 Feb 1.

Published in final edited form as: Am J Ophthalmol. 2015 Nov 5;162:159–166.e9. doi: 10.1016/j.ajo.2015.10.022

TABLE 3.

Predictors of Reoperation Following Horizontal Strabismus Surgery.

Clinical Factor	Reoperation	Multivariable Analysis.
Clinical Factor	Reoperation	Odds Ratio (95% CI)	p value.
Age 5 to 17 years.	5.0% (228/4551)	1.00 (reference)	--
……2 to 4 years.	6.9% (162/2352)	1.35 (1.09 to 1.67)	0.005
……0 to 1 year.	15.4% (129/836)	3.33 (2.63 to 4.21)	<0.001
Fixed suture.	6.4% (484/7521)	1.00 (reference)	--
Adjustable suture.	7.6% (13/170)	1.69 (0.94 to 3.03)	0.08
Botulinum toxin only.	44.9% (22/49)	10.36 (5.75 to 18.66)	<0.001
3 or 4 muscles operated.	3.7% (44/1178)	0.58 (0.42 to 0.80)	0.001
Monocular deviation.	4.7% (56/1192)	0.75 (0.56 to 1.00)	0.049
Astigmatism.	15.9% (10/63)	2.85 (1.40 to 5.74)	0.004
Abnormal binocularity, preoperative.	5.2% (81/1571)	0.74 (0.58 to 0.95)	0.02
Total.	6.7% (519/7740)	--	--

CI = confidence interval.