Table 1 The prevalence of rib anomalies and lumbosacral transitional vertebrae (LSTV), including lumbarisation and sacralisation. Vertebral segments were counted inferiorly from C1
Male | Female | Total | ||
|---|---|---|---|---|
Normal | 134 (90.5 %) | 72 (92.3 %) | 206 (91.2 %) | |
LSTV | Lumbarisation (6 lumbar type vertebrara) | 11 (7.4 %) | 3 (3.8 %) | 14 (6.2 %) |
Sacralisation (4 lumbar type vertebra) | 3 (2.0 %) | 3 (3.8 %) | 6 (2.7 %) | |
Normal | 137 (92.6 %) | 74 (94.9 %) | 211 (93.4 %) | |
Rib anomalies | Lumber ribs (interpreted as 13 pairs of ribs) | 11 (7.4 %) | 2 (2.6 %) | 13 (5.8 %) |
Agenesis of 12th ribs (interpreted as 11 pairs of ribs) | 0 - | 2 (2.6 %) | 2 (0.9 %) | |
No. of cases | 148 | 78 | 226 | |