Table 2.

Association between patellofemoral geometrical indices and the prevalence of increased signal intensity at the patellar tendon

	Univariable analysis Odds ratio (95% CI)	P value	Multivariable analysis* Odds ratio (95% CI)	P value
Insall-Salvati ratio (per 0.1)	0.80 (0.66, 0.97)	0.02	0.80 (0.66, 0.97)	0.02
Patellofemoral congruence angle (per 5 degrees)	0.94 (0.88, 1.00)	0.04	0.91 (0.85, 0.98)	0.01
Sulcus angle (per 5 degrees)	0.95 (0.82, 1.10)	0.48	0.95 (0.82, 1.11)	0.52
Lateral condyle-patella angle (per 5 degrees)	0.98 (0.79, 1.20)	0.81	0.98 (0.79, 1.21)	0.82

CI confidence interval

*Adjusted for age, gender, and body mass index