Table 2.
Correlation analysis to determine the influence of each preoperative parameter on postoperative drift at 6 weeks and 3 years.
| Preoperative parameters | 6 weeks | 3 years | ||
|---|---|---|---|---|
| Correlation coefficient | P value | Correlation coefficient | P value | |
| Age at onset | −0.14 | 0.05 | −0.94 | 0.180 |
| Age at surgery | −0.117 | 0.096 | −0.130 | 0.064 |
| Interval between onset and surgery | −0.034 | 0.627 | −0.84 | 0.234 |
| Preoperative deviation (PD) at distance | 0.193 | 0.006 | 0.177 | 0.011 |
| Refractive error (D) | 0.041 | 0.564 | 0.113 | 0.108 |
| Anisometropia (D) | −0.048 | 0.499 | −0.121 | 0.085 |
| Visual acuity RE (LogMAR) | −0.066 | 0.349 | −0.004 | 0.950 |
| Visual acuity LE (LogMAR) | −0.063 | 0.373 | 0.000 | 0.990 |
| Phase of exotropia | −0.006 | 0.938 | 0.042 | 0.555 |
| A- or V-pattern | −0.100 | 0.156 | −0.121 | 0.085 |
| Near-distance disparity | −0.058 | 0.408 | −0.092 | 0.193 |
| Presence of stereopsis | 0.065 | 0.368 | 0.015 | 0.835 |
| Type of horizontal surgery | 0.005 | 0.940 | 0.101 | 0.151 |
| Additional vertical surgery | −0.034 | 0.631 | −0.031 | 0.658 |
| Initial overcorrection angle | −0.472 | 0.000 | −0.349 | 0.000 |