Table 2.
Table showing the comparison of mean inclination angles with associated standard deviations and ranges for freehand, MAG, and inclinometer methods. The lower section showing the comparison of normalised values.
| Study | Target RI | Safe zone |
Freehand
|
MAG
|
Inclinometer
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD |
Range
|
Mean | SD |
Range
|
Mean | SD |
Range
|
||||||
| min | max | min | max | min | max | |||||||||
| Meermans et al. 37 | 40 | 35-45 | 38.5 | 7.0 | 22.0 | 60.0 | 38.3 | 4.7 | 27.0 | 51.0 | ||||
| Darrith et al. 36 | 40 (30)* | 30-50 | 46.5 | 6.3 | 32.8 | 63.2 | 42.9 | 7.0 | 29.0 | 63.8 | ||||
| Vendittoli et al. 43 | 40 | 30-55 | 44.4 | 11.4 | 42.2 | 3.8 | ||||||||
| Vendittoli et al. 44 | 40-49 | 30-55 | 42.7 | 6.7 | 27.5 | 63.0 | 43.6 | 6.8 | 31.5 | 64.0 | ||||
| Pongkunakorn et al. 45 | 40 | 30-50 | 46.3 | 6.7 | 28.7 | 59.0 | 40.9 | 3.8 | 32.9 | 48.9 | ||||
| O'Niell et al. 42 | 35 | 32.5-37.5 | 32.9 | 2.9 | 25.2 | 43.2 | 33.7 | 1.9 | 29.3 | 39.3 | 34.0 | 1.6 | 27.5 | 37.3 |
| Sykes et al. 7 | 35* | +/- 2.5 | 6.2 | 4.2 | 22.9 | 40.1 | 3.8 | 3.3 | 31.4 | 41.3 | 0.6 | 0.6 | 34.4 | 36.5 |
| Normalised Values | ||||||||||||||
| Meermans et al. 37 | –1.5 | 7.0 | –18.0 | 20.0 | –1.7 | 4.7 | –13.0 | 11.0 | ||||||
| Darrith et al. 36 | 6.5 | 6.3 | –7.2 | 23.2 | 2.9 | 7.0 | –11.0 | 23.8 | ||||||
| Vendittoli et al. 43 | 4.4 | 11.4 | 2.2 | 3.8 | ||||||||||
| Vendittoli et al. 44 | –1.8 | 6.7 | –17.0 | 18.5 | –0.9 | 6.8 | –13.0 | 19.5 | ||||||
| Pongkunakorn et al. 45 | 6.3 | 6.7 | –11.3 | 19.0 | 0.9 | 3.8 | –7.1 | 8.9 | ||||||
| O’Niell et al. 42 | –2.1 | 2.9 | –9.8 | 8.2 | –1.3 | 1.9 | –5.7 | 4.3 | –1.0 | 1.6 | –7.5 | 2.3 | ||
| Sykes et al. 7 | 6.2 | 4.2 | –12.1 | 5.1 | 3.8 | 3.3 | –3.6 | 6.3 | 0.6 | 0.6 | –0.6 | 1.5 | ||
MAG, mechanical alignment guide; SD, standard deviation; RI, radiographic inclination.