Table 2.

Correlation summary between unadjusted and adjusted^* anatomical indices of capital femoral epiphyseal morphology with age and body mass index (BMI) percentile (n = 68). Significant associations are highlighted in bold (p < 0.05; two-sided tests for the Pearson’s correlation coefficient)

	Unadjusted association with age			Unadjusted association with BMI percentile			Age-adjusted* association with BMI percentile
Anatomical index	r	95% CI	p	r	95% CI	p	r	95% CI	p
Anterior cupping	0.54	0.35 to 0.69	< 0.001	0.24	0.00 to 0.45	0.06	0.18	-0.07 to 0.40	0.15
Posterior cupping	0.59	0.41 to 0.73	< 0.001	0.13	-0.12 to 0.35	0.30	0.05	-0.19 to 0.28	0.70
Superior cupping	0.63	0.46 to 0.75	< 0.001	0.11	-0.13 to 0.34	0.38	0.07	-0.17 to 0.30	0.57
Inferior cupping	0.60	0.42 to 0.73	< 0.001	0.18	-0.06 to 0.40	0.15	0.17	-0.07 to 0.40	0.16
Average cupping	0.67	0.51 to 0.78	< 0.001	0.18	-0.06 to 0.40	0.14	0.14	-0.10 to 0.37	0.25
Tubercle width	-0.39	-0.57 to -0.16	0.001	-0.14	-0.37 to 0.10	0.25	-0.30	-0.50 to -0.07	0.01
Tubercle length	-0.65	-0.77 to -0.49	< 0.001	-0.25	-0.46 to -0.01	0.04	-0.32	-0.52 to -0.09	0.008
Tubercle height	-0.32	-0.52 to -0.09	0.007	-0.24	-0.45 to 0.00	0.048	-0.34	-0.53 to -0.11	0.005
Fossa width	-0.36	-0.55 to -0.14	0.002	0.06	-0.18 to 0.29	0.65	-0.09	-0.32 to 0.16	0.49
Fossa length	-0.55	-0.70 to -0.36	< 0.001	-0.04	-0.27 to 0.20	0.78	-0.16	-0.38 to 0.08	0.19
Fossa depth	-0.57	-0.71 to -0.38	< 0.001	-0.11	-0.34 to 0.13	0.36	-0.21	-0.43 to 0.03	0.08

^*Anatomical indices adjusted for age (anatomical measurement / age).

r, Pearson’s correlation coefficient; CI, confidence interval