Table 1 Clinical case type in the two cohorts. GI non-surgical cases included colic cases which were treated medically. Medical cases included general medical cases such as ophthalmology, respiratory and non-GI cases. Musculoskeletal cases included mainly lameness investigation and orthopaedic surgical cases. Soft tissue cases included mass removals, dental/sinusitis investigations and surgical airway cases. GI = Gastrointestinal