Table 3.
Pre- and Postoperative motor/sensory features of patients with unilateral complete abducens nerve palsy.
| Motor and sensory assessment | Pre-op (n = 23) | 1st day post-op (n = 23) | Last visit (n = 23) | P1 | P2 |
|---|---|---|---|---|---|
| Duction | |||||
| Abduction | −5.6 ± 1.0 (−8–−4) | −1.9 ± 1.4 (−4–0) | −2.4 ± 1.4 (−4–0) | 0.00* | 0.057d |
| Adduction | 0 | −3.1 ± 0.9 (−4–−1) | −1.8 ± 0.7 (−3–0) | 0.00* | 0.00* |
| Duction range | 2.4 ± 1.0 | 3.0 ± 1.5 | 3.8 ± 1.4 | 0.10d | 0.10d |
| Deviation | |||||
| Horizontal esodeviation (range), PD | 55.5 ± 27.2 (25–123) | −11.5 ± 11.0 (−35–12) | 0.04 ± 7.3 (−18–12) | 0.00* | 0.00* |
| Vertical hyperdeviaion (range), PD | 5.0 ± 3.2 | 6.7 ± 2.9 | 9.6 ± 4.7 | ||
| Vertical deviaion, n (%) | 6 (26.1) | 3 (13.0) | 8 (34.8) | ||
| Ortho, n (%) | – | 6 (26.1) | 19 (82.6) | ||
| Undercorrection, n (%) | – | 1 (4.3) | 3 (13.1) | ||
| Overcorrection, n (%) | – | 16 (69.6) | 1 (4.3) | ||
| Sensory | |||||
| Binocular single vision, n (%) | 13 (56.5) | 14 (60.9) | 18 (78.3) | 0.18b | |
| Diplopia in the primary position, n (%) | 17 (73.9) | 10 (43.5) | 0 (0.0) | 0.00b* | |
| Abnormal head posture, n (%) | 8 (34.8) | 3 (13.0) | 0 (0.0) | 0.00b* |
Pre-op, Pre-operation; post-op, Post-operation; n, Number; PD, Prism diopter; Ortho, orthotropic; P1, Last visit vs. pre; P2, Last visit vs. 1st day post-op, b, Based on chi-square test; d, Based on Wilcoxon test;
*
P-value < 0.05.