Table 1.

Comparison of the mean and standard deviation of indicators of A1B1, A2B2, X1Y1, X2Y2, S1S2, V1V2 in the case and control groups before and after intervention

Index: Group Mean		Before the Intervention		After the Intervention		Z	P
		SDT	Mean	SDT
AB	Case	10.8	6.4	21.2	15.9	2.81	0.005
	Control	10.9	1.9	17.0	5.2	2.68	0.007
P		---		1		---
XY	Case	6	3.4	13.4	9.7	2.80	0.005
	Control	6.5	1.8	11.6	4.0	2.68	0.007
P		---		0.971		---
S	Case	83.9	119.8	418.9	769.9	2.80	0.005
	Control	73.6	33.7	213.9	125.5	2.66	0.008
P		---		0.853		---
V	Case	15.3	11.8	106.4	100.9	2.81	0.005
	Control	17.8	9.0	74.3	54.0	2.66	0.008
P		---		0.583		---