| AP | Anteroposterior |
| CI | Confidence interval |
| CMT | Congenital muscular torticollis |
| CR | Cephalic ratio |
| CVAI | Cranial vault asymmetry index |
| DP | Deformational plagiocephaly |
| ML | Mediolateral |
| NS | Not statistically significant |
| PMHx | Past medical history |
| SE | Standard error |
| UCS | Unilateral coronal synostosis |