Type of the recurrent exotropia after bilateral rectus recession for intermittent exotropia

BMC Ophthalmology

Table 3 Univariate analysis identifying the preoperative clinical factors that affected the exotropia type changes

Preoperative factors	Basic to basic group (N = 55)	Basic to CI group (N = 32)	P-value^a	Basic to DE group (N = 20)	P-value^b
FCGX (good : poor) (N)	16:38	13:19	0.349^c	3:18	0.241^c
Distance deviation angle (PD)	26.2	27.5	0.474^d	30.2	0.095^d
Age at surgery (yrs)	8.5	7.4	0.514^d	13.2	0.513^d
Stereoacuity (sec)	151.6	91.1	0.213^d	141.8	0.876^d
Corrective glasses (N)	36	24	0.474^c	15	0.787^c

P-value^a = Basic to Basic group versus Basic to CI group ; P-value^b = Basic to Basic group versus Basic to DE group; FCGX fusion control grade of the exodeviation, CI convergence insufficiency, DE divergence excess; and PD prism diopters
^cFisher’s exact test, ^dWilcoxon signed rank test, P < 0.05 significant

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