Research Article

Predictive Factors Affecting the Short Term and Long Term Exodrift in Patients with Intermittent Exotropia after Bilateral Rectus Muscle Recession and Its Effect on Surgical Outcome

Table 2

Correlation analysis to determine the influence of each preoperative parameter on postoperative drift at 6 weeks and 3 years.

Preoperative parameters6 weeks3 years
Correlation coefficient valueCorrelation coefficient value

Age at onset−0.140.05−0.940.180
Age at surgery−0.1170.096−0.1300.064
Interval between onset and surgery−0.0340.627−0.840.234
Preoperative deviation (PD) at distance0.1930.0060.1770.011
Refractive error (D)0.0410.5640.1130.108
Anisometropia (D)−0.0480.499−0.1210.085
Visual acuity RE (LogMAR)−0.0660.349−0.0040.950
Visual acuity LE (LogMAR)−0.0630.3730.0000.990
Phase of exotropia−0.0060.9380.0420.555
A- or V-pattern−0.1000.156−0.1210.085
Near-distance disparity−0.0580.408−0.0920.193
Presence of stereopsis0.0650.3680.0150.835
Type of horizontal surgery0.0050.9400.1010.151
Additional vertical surgery−0.0340.631−0.0310.658
Initial overcorrection angle−0.4720.000−0.3490.000