Table 6.

Comparison of quality of life (x̅ ± sd, score)

Group	n	Before intervention	After intervention
Observation group	58	65.78±12.14	87.64±15.98*
Control group	58	66.88±12.32	73.65±15.72*
t		0.484	4.753
P		0.629	< 0.001

^*comparison with the data before intervention, P < 0.05.