Table 7.

Effects of Group and Assessment Visit on Postural Balance parameters within two-way mixed ANOVA.

Outcome	Group				Assessment visit				Group×assessment visit
	F test (df)	P value	η2Ga	F test (df)		P value	η2G	F test (df)		P value	η2G
Mean anterior-posterior displacement	0.25 (1,18)	.63	0.01	1.51 (3,54)		.22	0.02	1.21 (3,54)		.32	0.01
Mean medio-lateral displacement	1.21 (1,18)	.29	0.05	2.52 (3,54)		.07	0.03	0.10 (3,54)		.96	0.00
Mean global displacement	0.71 (1,18)	.41	0.03	2.59 (3,54)		.06	0.02	0.51 (3,54)		.68	0.01
Mean anterior-posterior velocity	1.60 (1,18)	.22	0.07	3.51 (3,54)		.02	0.03	0.28 (3,54)		.84	0.00
Mean medio-lateral velocity	0.03 (1,18)	.87	0.00	2.07 (3,54)		.12	0.01	0.21 (3,54)		.89	0.00
Mean global velocity	0.50 (1,18)	.49	0.02	3.61 (3,54)		.02	0.03	0.12 (3,54)		.95	0.00
Box lift lumbar spine	0.00 (1,18)	.99	0.00	1.32 (3,54)		.28	0.02	1.56 (3,54)		.21	0.03
Box lift hip	0.06 (1,18)	.81	0.00	0.27 (3,54)		.85	0.00	0.91 (3,54)		.44	0.01
Waiter bow lumbar spine	0.54 (1,18)	.47	0.02	0.22 (1.89,34.01)		.79b	0.00	0.82 (1.89,34.01)		.44b	0.02
Waiter bow hip	0.15 (1,18)	.71	0.01	1.40 (3,54)		.24	0.02	0.42 (3,54)		.74	0.01
Pain intensity numeric rating scale	0.94 (1,18)	.35	0.02	1.34 (3,54)		.27	0.04	0.76 (3,54)		.52	0.02
Quality of life physical subscale	0.26 (1,18)	.62	0.01	5.55 (1.78,31.98)		.01b	0.04	1.08 (1.78,31.98)		.34b	0.01
Tampa Scale for Kinesiophobia, 11-item version	0.22 (1,18)	.64	0.01	1.05 (3,54)		.38	0.01	0.14 (3,54)		.93	0.00

^aGeneralized η².

^bGreenhouse Geisser corrected.