Table 2.
A cross-evaluation of the number of remains that demonstrated overlap among the different malformations observed
| Congenital defects | Overlap frequency among congenital defects in the spine | |||||||
|---|---|---|---|---|---|---|---|---|
| SCF (n=25) | LZ (n=3) | SZ (n= 28) | NTD (n=18) | SP (n=6) | MT (n=17) | HT (n=12) | TLTV (n=63) | |
| SCF | 14 | 0 | 1 | 1 | 0 | 3 | 0 | 10 |
| LZ | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| SZ | 1 | 0 | 3 | 5 | 0 | 3 | 4 | 17 |
| NTD | 1 | 0 | 5 | 0 | 1 | 4 | 0 | 16 |
| SP | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 6 |
| MT | 3 | 0 | 3 | 4 | 0 | 4 | 0 | 13 |
| HT | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 12 |
| TLTV | 10 | 3 | 17 | 16 | 6 | 13 | 12 | 0 |
SCF, sacrococcygeal fusion; LZ, lumbarization; SZ, sacralization; NTD, neural tube defect; SP, spondylolysis; MT, meristic transformation; HT, homeotic transformation; TLTV, thoracolumbar transitional vertebra.