Table 4.

Comparison of symptom distress between the two groups (mean ± SD)

Item	Observation group (n = 30)	Control group (n = 30)	t/χ²	P value
Symptom distress in physiology
Pre-intervention	1.22 ± 0.53	1.25 ± 0.32	0.278	0.781
Post-intervention	0.82 ± 0.37a	1.05 ± 0.28a	2.668	0.009
Symptom distress in psychology
Pre-intervention	1.67 ± 0.39	1.78 ± 0.30	1.280	0.205
Post-intervention	1.09 ± 0.32a	1.29 ± 0.27a	2.630	0.011
Distress index
Pre-intervention	1.35 ± 0.42	1.44 ± 0.35	0.869	0.388
Post-intervention	0.96 ± 0.25a	1.21 ± 0.23a	3.863	< 0.003

^a P < 0.05.

Note: Compared with pre-intervention.