Table 2
Correlation results and ROC values.
| Deformity | Angle of study | Correlation R | CI | DF | Double-sided P | ROC value |
|---|---|---|---|---|---|---|
| Varus subgroup | MFA | 0.44 | 0.123 to 0.673 | 33 | 0.008* | – |
| MTA | 0.35 | 0.011 to 0.400 | 33 | 0.038* | 94° | |
| FTA | 0.11 | −0.190 to 0.372 | 33 | 0.51 | – | |
| Valgus subgroup | MFA | 0.005 | −0.661 to 0.667 | 7 | 0.99 | – |
| MTA | 0.29 | −0.458 to 0.802 | 7 | 0.43 | 92° | |
| FTA | 0.14 | −0.577 to 0.735 | 7 | 0.72 | – | |
| Normal subgroup | MFA | −0.01 | −0.816 to 0.806 | 4 | 0.98 | – |
| MTA | −0.28 | −0.890 to 0.686 | 4 | 0.58 | 93° | |
| FTA | −0.62 | −0.952 to 0.380 | 4 | 0.18 | – | |
| Total sample | MFA | 0.32 | 0.047 to 0.550 | 48 | 0.02* | – |
| MTA | 0.36 | 0.093 to 0.581 | 48 | 0.009* | 94° | |
| FTA | 0.27 | −0.008 to 0.510 | 48 | 0.057 | – |
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