Table 3 Univariate and multivariate cox proportional hazard models for factors associated with reoperation after ocular patching in patients with intermittent exotropia who underwent bilateral lateral rectus recession

Mean age at operation (yrs)

0.738

0.582–0.936

0.012

Pre-patching exodeviation

(near, PD)

1.241

1.073–1.436

0.004

Pre-patching exodeviation

(Distance, PD)

1.251

1.081–1.447

0.003

The interval between operation and patching (wks)

1.006

1.000–1.011

0.037

1.006

1.001–1.011

0.023

Degree of recurrence ^a

2.633

1.318–5.257

0.006