Table 5.

Pearson chi squared analyses (χ²) and Cramer's V (V) identified significantly weak and moderate associations between the coronal and transverse plane joint patterns and patient-specific characteristics, previous surgery, spasticity, and weakness.

	PC		HC		PT		HT		FT
	χ2	V	χ2	V	χ2	V	χ2	V	χ2	V
N = 286
Uni-/bilateral CP	24.92***	0.30	2.42	0.09	26.49***	0.30	3.10	0.10	14.56*	0.23
Age	13.63*	0.15	4.89	0.09	4.43	0.09	2.88	0.07	11.46*	0.14
GMFCS	10.02	0.13	17.28a*	0.17	19.42*	0.18	12.71a*	0.15	7.60	0.12
N = 446
Previous surgery	8.38*	0.14	2.29	0.07	2.71	0.08	10.25*	0.15	2.03	0.07
MAS Hip joint	23.84*	0.13	3.18	0.05	15.98	0.11	28.79***	0.18	21.75*	0.16
MAS Knee joint	19.51*	0.15	1.84	0.05	16.97*	0.14	15.31*	0.13	10.70*	0.11
MAS Ankle joint	6.32	0.12	5.24	0.11	5.07	0.11	8.94*	0.14	4.40	0.10
MMT Hip joint	12.64*	0.17	1.44	0.06	11.39*	0.16	9.31*	0.14	5.53	0.11
MMT Knee joint	9.26*	0.14	3.82	0.09	5.74	0.11	16.61**	0.19	7.42*	0.13
MMT Ankle joint	14.53	0.10	10.12	0.09	28.51*	0.15	23.61*	0.16	13.49*	0.12

^*p < 0.05;

^**p < 0.001;

^***p < 0.0001; χ², Pearson chi squared; V, Cramer's V, indicating weak (light gray) and moderate (darker gray) associations based on degrees of freedom (Statistical analysis and Table S2);

^aResults should be interpreted with caution because >20% of cells had expected frequencies lower than n = 5.