Table 1.
Review of studies comparing the PTS in patients with noncontact ACL injury and a control group
| Study/(imaging method) | Mean with ± standard deviation or (range), significance level for each comparison of ACL injured and control group patients | |||||
|---|---|---|---|---|---|---|
| PTS medial | PTS lateral | |||||
| ACL injury | Control | Significance level | ACL injury | Control | Significance level | |
| Meister et al. [35] 1998 (LR) | N = 49 9.7° ± 1.8° |
N = 39 9.9 ± 2.1° |
p = 0.67 | na | na | |
| Brandon et al. [8] 2006 (LR) | N = 100 11.2 ± 3.8° |
N = 100 8.5 ± 3.0° |
p < 0.001 | na | na | |
| Stijak et al. [46] 2008 (LR + MRI) | N = 33 5.2 ± 3.6 |
N = 33 6.6 ± 3.2 |
p = 0.066 | N = 33 7.5 ± 3.4 |
N = 33 4.4 ± 2.3 |
p < 0.001 |
| Todd et al. [47] 2010 (LR) | N = 149 9.4 ± 2.7° |
N = 179 8.5 ± 2.6° |
p = 0.003 | na | na | |
| Hashemi et al. [21] 2010 (MRI) | N = 49 6° (−2–14°) |
N = 55 5° (−3–10°) |
p = 0.01 | N = 49 9° (0–12°) |
N = 55 6° (0–14°) |
p = 0.005 |
| Current study (MRI) | N = 55 4.7° ± 2.7 |
N = 55 4.1 ± 2.8 |
p = 0.257 | N = 55 5.6 ± 2.9 |
N = 55 4.9 ± 3.2 |
p = 0.292 |
LR = lateral radiograph, na = not assessed.