Table 2.

Changes in the mean VISA-A function scores (±SD) in groups A, B, and C.

Group	Measures of spread	Before therapy (T0)	1 week after therapy (T1)	6 week after therapy (T2)	p*	p** T0 – T1	p** T1 – T2	p** T0 – T2
A	X ± SD	65.54 ± 20.06	72.08 ± 19.09	87.76 ± 8.77	p < 0.0001	p > 0.05	0.01	0.04
	Me	73	76	90
	(Q1; Q3)	(50; 78)	(60; 85)	(83; 95)
B	X ± SD	74.23 ± 12.98	81.08 ± 14.67	83.31 ± 15.09	p < 0.001	p > 0.05	0.01	p > 0.05
	Me	74	85	90
	(Q1; Q3)	(68; 84)	(71; 93)	(71; 97)
C	X ± SD	72.85 ± 12.37	73.85 ± 11.88	75.69 ± 12.79	p < 0.01	p > 0.05	0.01	p > 0.05
	Me	77	78	78
	(Q1; Q3)	(62; 82)	(66; 82)	(66; 86)

Me – median; Q1 – lower quartile; Q3 – upper quartile.

p* – Kruskal–Wallis ANOVA by ranks.

p** – the post-hoc test for Kruskal–Wallis ANOVA by ranks. Bold values indicate statistically significant differences (p < 0.05).