From: Investigation of timing of surgery and other factors possibly influencing outcome in dogs with acute thoracolumbar disc extrusion: a retrospective study of 1501 cases
Progression
Number of cases
Number of cases with successful outcome
Acute
473
433 (91.5%)
Subacute
489
447 (91.4%)
Stable
517
448 (86.7%)
Total
1479
1328