| INVESTIGATOR (YR) | COMPONENT (mm) | |||
| AP (HORIZ) | SI (VERT) | ML (TRANS) | n = | |
| HOFFMAN (1973) | 0.28 | 0.25 | 0.10 | 52 |
| ROSNER (1986) | 0.56 | 0.84 | 0.34 | 75 |
| WONG (Unpub) | 0.70 | 1.00 | 0.30 | 250 |
| WOOD + KORNE (1992) | -- | 1.20 | -- | 39 |
| ALEXANDER (1993) | 0.25 | 0.30 | 0.30 | 28 |
| UTT (1995) | 0.61 | 0.84 | 0.27 | 107 |
| ESMAY (1995) (MS) | 0.63 | 1.53 | 0.37 | 46 |
| HICKS + WOOD (1996) | -- | 1.20 | 0.27 | 37 |
| GIRARDOT (2001) brachyfacial | 0.66 | 1.20 | -- | 19 |
| GIRARDOT (2001) dolichofacial | 1.21 | 1.70 | -- | 19 |
| HIDAKA (2002) | -- | 1.00 | 0.00 | 150 |
| KARL + FOLEY (1999)** | 1.54 | 1.76 | 0.51 | 40 |
| WEFFORT (2010) ASYMPT | 0.63 | 1.26 | 0.23 | 35 |
| WEFFORT (2010) SYMPT | 0.64 | 1.60 | 0.41 | 35 |
| CORDRAY (2006) ASYMPT** | 0.86 | 1.80 | 0.26 | 596 |
| CORDRAY (2016) SYMPT** | 1.02 | 2.20 | 0.82 | 596 |