[Table/Fig-7]:
Showing the occurrence of pterygospinous and pterygoalar bars in different populations
| Study | Population | Pterygospinous bar | Pterygoalar bar | ||||
| Complete | Incomplete | Total | Complete | Incomplete | Total | ||
| Tubbs et al., [1] | American | 0.65 | 0.65 | 1.3 | 0.65 | 0.65 | 1.3 |
| Kapur et al., [28] | Croatian | 1.31 | 14.74 | 16.05 | 5.9 | 14.4 | 20.3 |
| Peker et al., [26] | Anatolian | 5.5 | - | - | 4.9 | - | - |
| Pinar et al., [10] | Turkish | 3.3 | 9.7 | 13 | 1.1 | 4.98 | 6.08 |
| Skrzat et al., [14] | Polish | - | - | - | 1.43 | 5.7 | 7.1 |
| Natsis et al., [2] | Greek | - | - | - | 4.1 | 27.6 | 31.7 |
| Antonopoulou et al., [11] | Greek | 2 | 25 | 27 | 1 | 7 | 8 |
| Rosa et al., [8] | Brazilian | 8.61 | 19.36 | 31.2 | 12.9 | 49.4 | 62.4 |
| Galdames et al., [9] | Brazilian | 1.6 | 13.14 | 14.74 | 3.84 | 22.43 | 26.27 |
| Devi et al., [4] | Indian | 0.98 | 10.78 | 11.78 | 2.45 | 3.92 | 6.37 |
| Chakravarthi et al., [25] | Indian | - | - | - | 19.7 | 8.5 | 28.2 |
| Saran et al., [6] | Indian | 1.25 | 7.5 | 8.75 | - | - | - |
| Das et al.,[13] | Indian | 0 | 1 | 1 | - | - | - |
| Verma et al., [19] | Indian | 1.72 | 12.93 | 18.1 | - | - | - |
| Nayak et al., [12] | Indian | 5.76 | 3.84 | 9.61 | - | - | - |
| Present study | Indian | 1 | 16 | 17 | 1 | 29 | 30 |