A Knee Size-Independent Parameter for Malalignment of the Distal Patellofemoral Joint in Children

Table 2

Measurements of the TTTG, TTPCL, THD, and TTPCL/THD for the control and patellar instability (PI) groups for adults and children.

	Adults			Children
	Control	PI	value	Control	PI	value
TTTG (mm)	9.3 ± 0.50	13.4 ± 0.94	<0.001	8.2 ± 0.55	13.2 ± 1.10	<0.001
TTPCL (mm)	20.2 ± 0.60	22.1 ± 0.57	0.031	20.6 ± 0.64	22.6 ± 0.62	0.031
THD (mm)	74.7 ± 0.82	73.5 ± 0.82	0.247	71.8 ± 1.03	71.6 ± 1.00	0.902
TTPCL/THD	0.270 ± 0.007	0.301 ± 0.007	0.005	0.288 ± 0.010	0.316 ± 0.008	0.033

The results are expressed as the mean values of the group ± SEM.