Table 2 The prevalence of different rib configurations by vertebral configuration type, subdivided into lumbarisation, normal and sacralisation
Rib configuration | Lumbarisation | Vertebral configuration Normal configuration | Sacralisation | Total |
|---|---|---|---|---|
Agenesis of 12th ribs | 0 - | 1 (0.5 %) | 1 (16.7 %) | 2 (0.9 %) |
Normal configuration | 3 (21.4 %) | 203 (98 5 %) | 5 (83.3 %) | 211 (93.4 %) |
Lumbar ribs | 11 (78.6 %) | 2 (1.0 %) | 0 - | 13 (5.8 %) |
Unilareral | 2 | 1 | 3 | |
Bilateral | 9 | 1 | 10 | |
No. of cases | 14 | 206 | 6 | 226 |