Value of refined care in patients with acute exacerbation of chronic obstructive pulmonary disease

Table 5 Comparison of quality of life scores between the two groups (mean ± SD)

Group		n	Symptom part		Active part
			Before intervention	After intervention	Before intervention	After intervention
1	Refined care	61	51.4 ± 8.5	76.8 ± 9.01	44.2 ± 7.4	71.9 ± 5.51
	Control	59	49.2 ± 6.2	71.0 ± 7.41	45.8 ± 6.6	67.7 ± 7.81
	t		1.615	3.849	-1.249	3.418
	P value		0.109	0.000	0.214	0.001
2			Disease impact		SGRQ score
			Before intervention	After intervention	Before intervention	After intervention
	Refined care	61	47.2 ± 6.1	78.5 ± 8.51	47.6 ± 6.2	75.7 ± 7.51
	Control	59	49.4 ± 6.6	75.8 ± 7.61	48.1 ± 6.8	71.5 ± 5.81
	t		-1.897	1.832	-0.421	3.424
	P value		0.060	0.069	0.674	0.001

¹Compared with this group before intervention, P < 0.05.

SGRQ: St. George’s Respiratory questionnaire.