Table 3.

Comparison of SS-QOL scores between the two groups ($\overline{x}$ ± s, points).

Groups	n	Before intervention	After intervention	t	P
Observation group	60	98.73 ± 6.49	196.85 ± 8.31	72.080	˂0.001
Control group	60	99.14 ± 6.58	127.42 ± 7.15	22.540	˂0.001
t		0.344	49.060
P		0.732	˂0.001