Vetology AI Classifier Performance Metrics

Clinical Validation Data by Physiological Region

Validated on 300,000+ test cases by board-certified veterinary radiologists

Canine Thorax (26 conditions)

Cardiac Conditions

Heart Failure Left
Canine
Sensitivity
89.51%
Specificity
92.07%
Radiologist Agreement Rate: 90%
Test Cases: 10,951
Left Auricular Appendage Enlargement
Canine
Sensitivity
84.65%
Specificity
84.51%
Radiologist Agreement Rate: N/A
Test Cases: 40,271
Thorax Left Atrial Enlargement
Canine
Sensitivity
84.44%
Specificity
83.48%
Radiologist Agreement Rate: N/A
Test Cases: 10,291
Cardiomegaly L
Canine
Sensitivity
85.40%
Specificity
78.71%
Radiologist Agreement Rate: 77%
Test Cases: 14,936
Cardiomegaly
Canine
Sensitivity
75.64%
Specificity
86.28%
Radiologist Agreement Rate: 93%
Test Cases: 16,899
Heart Failure Right
Canine
Sensitivity
74.23%
Specificity
84.37%
Radiologist Agreement Rate: 90%
Test Cases: 9,362
Pericardial Effusion
Canine
Sensitivity
68.82%
Specificity
72.12%
Radiologist Agreement Rate: 96%
Test Cases: 16,918

Vascular

Pulmonary Venous Enlargement
Canine
Sensitivity
82.41%
Specificity
83.76%
Radiologist Agreement Rate: 69%
Test Cases: 15,962
Main Pulmonary Artery Enlargement
Canine
Sensitivity
66.74%
Specificity
77.34%
Radiologist Agreement Rate: 78%
Test Cases: 40,535
Pulmonary Arterial Enlargement
Canine
Sensitivity
68.15%
Specificity
64.66%
Radiologist Agreement Rate: N/A
Test Cases: 14,920

Pulmonary Parenchymal

Caudodorsal Alveolar Pattern
Canine
Sensitivity
82.06%
Specificity
88.05%
Radiologist Agreement Rate: 83%
Test Cases: 14,504
Miliary Pulmonary Pattern
Canine
Sensitivity
84.72%
Specificity
84.27%
Radiologist Agreement Rate: 89%
Test Cases: 31,904
Cranioventral Alveolar Pattern
Canine
Sensitivity
83.67%
Specificity
85.09%
Radiologist Agreement Rate: 83%
Test Cases: 14,334
Pulmonary Nodules
Canine
Sensitivity
74.68%
Specificity
78.58%
Radiologist Agreement Rate: 91%
Test Cases: 9,673
Pulmonary Masses
Canine
Sensitivity
76.35%
Specificity
74.20%
Radiologist Agreement Rate: 74%
Test Cases: 15,118
Interstitial Pattern
Canine
Sensitivity
76.46%
Specificity
71.33%
Radiologist Agreement Rate: 61%
Test Cases: 14,794

Pleural/Mediastinal

Mediastinal Shift R
Canine
Sensitivity
80.97%
Specificity
78.06%
Radiologist Agreement Rate: N/A
Test Cases: 42,495
Pleural Fluid
Canine
Sensitivity
75.15%
Specificity
75.34%
Radiologist Agreement Rate: 80%
Test Cases: 10,045
Mediastinal Shift L
Canine
Sensitivity
74.16%
Specificity
74.41%
Radiologist Agreement Rate: N/A
Test Cases: 43,910
Cranial Mediastinal Mass
Canine
Sensitivity
73.73%
Specificity
74.41%
Radiologist Agreement Rate: 81%
Test Cases: 10,253

Airways

Intrathoracic Tracheal Narrowing
Canine
Sensitivity
82.26%
Specificity
83.30%
Radiologist Agreement Rate: 80%
Test Cases: 42,269
Hypoinflation
Canine
Sensitivity
63.12%
Specificity
59.35%
Radiologist Agreement Rate: 77%
Test Cases: 19,905
Bronchial Pattern
Canine
Sensitivity
52.24%
Specificity
60.62%
Radiologist Agreement Rate: 76%
Test Cases: 21,146

Other Thoracic Findings

Thorax Heart Based Mass
Canine
Sensitivity
71.70%
Specificity
76.04%
Radiologist Agreement Rate: 89%
Test Cases: 12,064
Bronchiectasis
Canine
Sensitivity
54.50%
Specificity
75.09%
Radiologist Agreement Rate: 81%
Test Cases: 11,433
Esophageal Enlargement
Canine
Sensitivity
44.25%
Specificity
61.26%
Radiologist Agreement Rate: N/A
Test Cases: 4,391
Canine Abdomen (21 conditions)

Hepatic

Hepatomegaly
Canine
Sensitivity
84.74%
Specificity
83.00%
Radiologist Agreement Rate: 92%
Test Cases: 10,870
Hepatic Mass
Canine
Sensitivity
77.73%
Specificity
84.61%
Radiologist Agreement Rate: 83%
Test Cases: 12,351
Microhepatia
Canine
Sensitivity
80.27%
Specificity
78.45%
Radiologist Agreement Rate: 84%
Test Cases: 12,311

Splenic

Splenomegaly
Canine
Sensitivity
75.16%
Specificity
73.50%
Radiologist Agreement Rate: 63%
Test Cases: 10,896
Splenic Mass
Canine
Sensitivity
70.08%
Specificity
76.10%
Radiologist Agreement Rate: N/A
Test Cases: 10,511

Renal/Urinary

Nephroliths L
Canine
Sensitivity
83.36%
Specificity
71.88%
Radiologist Agreement Rate: 85%
Test Cases: 12,644
Nephroliths R
Canine
Sensitivity
76.77%
Specificity
74.70%
Radiologist Agreement Rate: 84%
Test Cases: 14,250
Urocystoliths Urethroliths
Canine
Sensitivity
71.59%
Specificity
76.22%
Radiologist Agreement Rate: 96%
Test Cases: 48,073
Kidney Size R
Canine
Sensitivity
66.71%
Specificity
63.03%
Radiologist Agreement Rate: 62%
Test Cases: 13,089
Kidney Size L
Canine
Sensitivity
63.06%
Specificity
55.63%
Radiologist Agreement Rate: N/A
Test Cases: 14,038

Gastrointestinal

Spastic Colon
Canine
Sensitivity
90.64%
Specificity
69.50%
Radiologist Agreement Rate: 65%
Test Cases: 16,210
Multi-Label Gastric Contents(Stomach)
Canine
Sensitivity
74.85%
Specificity
66.18%
Radiologist Agreement Rate: 63%
Test Cases: 10,908
Multi-Label Gastric Contents(Gas)
Canine
Sensitivity
67.36%
Specificity
66.79%
Radiologist Agreement Rate: 63%
Test Cases: 10,908
Segmental Small Intestine Distension
Canine
Sensitivity
68.66%
Specificity
60.54%
Radiologist Agreement Rate: N/A
Test Cases: 10,896
Colon Diffuse Distension
Canine
Sensitivity
64.23%
Specificity
63.86%
Radiologist Agreement Rate: N/A
Test Cases: 12,296
Mineral Metal Small Intestine Material
Canine
Sensitivity
50.25%
Specificity
76.03%
Radiologist Agreement Rate: N/A
Test Cases: 10,018
Mineral Metal Gastric Material
Canine
Sensitivity
53.11%
Specificity
71.15%
Radiologist Agreement Rate: N/A
Test Cases: 12,221

Other Abdominal Findings

Pregnancy
Canine
Sensitivity
76.19%
Specificity
96.63%
Radiologist Agreement Rate: 98%
Test Cases: 10,740
Mid Abdominal Mass
Canine
Sensitivity
65.07%
Specificity
65.79%
Radiologist Agreement Rate: 74%
Test Cases: 20,498
Normal Abdomen
Canine
Sensitivity
63.97%
Specificity
66.39%
Radiologist Agreement Rate: 73%
Test Cases: 11,692
Decreased Serosal Detail Severity
Canine
Sensitivity
74.01%
Specificity
50.81%
Radiologist Agreement Rate: 80%
Test Cases: 7,910
Feline Thorax (17 conditions)

Cardiac Conditions

Heart Failure Left
Feline
Sensitivity
82.30%
Specificity
97.63%
Radiologist Agreement Rate: 83%
Test Cases: 19,855
Heart Failure Right
Feline
Sensitivity
85.85%
Specificity
85.67%
Radiologist Agreement Rate: N/A
Test Cases: 13,388
Cardiomegaly
Feline
Sensitivity
70.40%
Specificity
83.35%
Radiologist Agreement Rate: 98%
Test Cases: 9,536
Cardiomegaly L
Feline
Sensitivity
68.82%
Specificity
77.55%
Radiologist Agreement Rate: 98%
Test Cases: 11,415

Pulmonary Parenchymal

Caudodorsal Alveolar Pattern
Feline
Sensitivity
76.84%
Specificity
81.56%
Radiologist Agreement Rate: 83%
Test Cases: 14,450
Perihilar Infiltrate
Feline
Sensitivity
73.04%
Specificity
79.48%
Radiologist Agreement Rate: N/A
Test Cases: 38,009
Cranioventral Alveolar Pattern
Feline
Sensitivity
72.42%
Specificity
74.94%
Radiologist Agreement Rate: 83%
Test Cases: 13,398
Interstitial Pattern
Feline
Sensitivity
65.33%
Specificity
78.25%
Radiologist Agreement Rate: 94%
Test Cases: 15,054
Pulmonary Nodules
Feline
Sensitivity
61.15%
Specificity
76.83%
Radiologist Agreement Rate: 84%
Test Cases: 15,585
Pulmonary Masses
Feline
Sensitivity
68.81%
Specificity
68.80%
Radiologist Agreement Rate: 85%
Test Cases: 17,784

Pleural/Mediastinal

Pleural Fluid
Feline
Sensitivity
82.44%
Specificity
92.46%
Radiologist Agreement Rate: 75%
Test Cases: 13,101
Cranial Mediastinal Mass
Feline
Sensitivity
70.30%
Specificity
83.01%
Radiologist Agreement Rate: 63%
Test Cases: 37,942
Thoracic Lymphadenopathy
Feline
Sensitivity
64.84%
Specificity
62.97%
Radiologist Agreement Rate: 85%
Test Cases: 10,264

Airways

Bronchial Pattern
Feline
Sensitivity
76.37%
Specificity
79.57%
Radiologist Agreement Rate: 62%
Test Cases: 11,228
Hyperinflation
Feline
Sensitivity
63.31%
Specificity
79.95%
Radiologist Agreement Rate: 89%
Test Cases: 12,886

Other Thoracic Findings

Pulmonary Vasculature Enlargement
Feline
Sensitivity
65.73%
Specificity
80.00%
Radiologist Agreement Rate: 64%
Test Cases: 12,729
Normal Thorax
Feline
Sensitivity
76.99%
Specificity
63.06%
Radiologist Agreement Rate: 87%
Test Cases: 9,647
Feline Abdomen (17 conditions)

Hepatic

Hepatomegaly
Feline
Sensitivity
83.33%
Specificity
72.05%
Radiologist Agreement Rate: 90%
Test Cases: 13,886
Hepatic Mass
Feline
Sensitivity
61.40%
Specificity
81.76%
Radiologist Agreement Rate: 79%
Test Cases: 13,886

Splenic

Splenomegaly
Feline
Sensitivity
66.29%
Specificity
74.82%
Radiologist Agreement Rate: 80%
Test Cases: 13,886

Renal/Urinary

Nephroliths R
Feline
Sensitivity
66.98%
Specificity
74.13%
Radiologist Agreement Rate: 85%
Test Cases: 13,886
Kidney Size R
Feline
Sensitivity
71.89%
Specificity
67.12%
Radiologist Agreement Rate: 53%
Test Cases: 12,224
Nephroliths L
Feline
Sensitivity
61.66%
Specificity
73.02%
Radiologist Agreement Rate: 88%
Test Cases: 13,886
Kidney Size L
Feline
Sensitivity
68.96%
Specificity
63.43%
Radiologist Agreement Rate: 53%
Test Cases: 12,519
Urocystoliths Urethroliths
Feline
Sensitivity
59.22%
Specificity
59.05%
Radiologist Agreement Rate: 76%
Test Cases: 13,886

Gastrointestinal

Colon Enlargement
Feline
Sensitivity
67.82%
Specificity
94.39%
Radiologist Agreement Rate: N/A
Test Cases: 47,369
Mineral Metal Gastric Material
Feline
Sensitivity
66.88%
Specificity
81.94%
Radiologist Agreement Rate: 76%
Test Cases: 44,561
Colon Diffuse Distension
Feline
Sensitivity
68.77%
Specificity
75.88%
Radiologist Agreement Rate: 91%
Test Cases: 13,886
Rugal Fold
Feline
Sensitivity
70.37%
Specificity
73.88%
Radiologist Agreement Rate: 74%
Test Cases: 13,886
Radiopaque Gastric Foreign Body
Feline
Sensitivity
72.63%
Specificity
62.60%
Radiologist Agreement Rate: 77%
Test Cases: 13,886
Segmental Small Intestine Distension
Feline
Sensitivity
68.13%
Specificity
60.98%
Radiologist Agreement Rate: 93%
Test Cases: 10,473

Other Abdominal Findings

Mid Abdominal Mass
Feline
Sensitivity
83.78%
Specificity
73.80%
Radiologist Agreement Rate: 72%
Test Cases: 36,840
Decreased Serosal Detail Severity
Feline
Sensitivity
70.07%
Specificity
73.80%
Radiologist Agreement Rate: 76%
Test Cases: 13,886
Pregnancy
Feline
Sensitivity
1.13%
Specificity
99.47%
Radiologist Agreement Rate: 98%
Test Cases: 10,025
Spine/Musculoskeletal (8 conditions)

Spine

Congenital Lumbar Vertebrae Anomaly
Canine Feline
Sensitivity
87.50%
Specificity
75.81%
Radiologist Agreement Rate: 72%
Test Cases: 9,305
Normal Lumbar Spine
Canine Feline
Sensitivity
80.38%
Specificity
80.75%
Radiologist Agreement Rate: 81%
Test Cases: 13,385
Intervertebral Disc Disease Thoracic(Lateral)
Canine Feline
Sensitivity
81.94%
Specificity
73.75%
Radiologist Agreement Rate: 87%
Test Cases: 10,717
Intervertebral Disc Disease Lumbar(Lateral)
Canine Feline
Sensitivity
86.01%
Specificity
68.22%
Radiologist Agreement Rate: 87%
Test Cases: 20,482
Normal Thoracic Spine
Canine Feline
Sensitivity
75.49%
Specificity
74.41%
Radiologist Agreement Rate: 86%
Test Cases: 13,728

Pelvis/Joints

Luxation Pelvis (Vd)
Canine Feline
Sensitivity
75.77%
Specificity
77.88%
Radiologist Agreement Rate: 89%
Test Cases: 6,435
Hip Dysplasia
Canine Feline
Sensitivity
78.68%
Specificity
73.42%
Radiologist Agreement Rate: 71%
Test Cases: 6,435
DJD Pelvis
Canine Feline
Sensitivity
73.60%
Specificity
73.60%
Radiologist Agreement Rate: 87%
Test Cases: 6,435

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Last Updated: 2026-01-06 15:31:02

All performance metrics validated on published confusion matrix data. Sensitivity measures the ability to correctly identify positive cases. Specificity measures the ability to correctly identify negative cases. Radiologist Agreement Rate indicates concordance with board-certified veterinary radiologist assessments.