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Congruence angle (c) and Patella tilt angle (t) are not statistically different in the two groups. If the congruence angle is lateral to the congruence line, it is a positive congruence angle and if is medial, it is a negative congruence angle. If the coronal axis of the patella is laterally tilted to the tangent line of the medial and lateral trochlear ridge, it is a positive patella tilt angle and if it is medially tilted, it is a negative patella tilt angle.
