Table 5

Timing of the secondary procedure and relative motor success

Time between the two procedures (months)No of patients
Reoperation group (n=24)Botulinum toxin group (n=23)
Initial misalignment0–656
(early failure)6–1388
 % successful
 at 1 year 84.61  (11/13)78.57  (11/14)
 at last visit 76.92 (10/13)78.57 (11/14)
Drifted out of alignment12–2577
(late failure)25–3942
 % successful
 at 1 year 63.63 (7/11)55.55 (5/9)
 at last visit 63.63 (7/11)33.33 (3/9)
  • Distance deviation by the simultaneous prism and cover test ⩽8 prism dioptres.

  • No statistically significant difference (Fisher’s exact test).

  • Difference approaches significance (p=0.11).