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. 2022 Aug;12(8):4259–4271. doi: 10.21037/qims-22-433

Table 4. Details of false positively labelled vertebrae in the independent testing data.

Case number OVF number Explanation for the false positivity
3 3 Labeled vertebra above T4
3 3 Labeled vertebra had rotation to X-ray beam
5 5 Labeled vertebra looks like minimal CVF
1 1 Labeled vertebra looks like minimal CVF + diagram line overlaying
1 1 n/a

OVF, osteoporotic vertebral fracture; CVF, compressive vertebral fracture; n/a, not available.