Effect of nursing on postoperative respiratory function and mental health of lung cancer patients

Table 5 Comparison of self-rating anxiety scale and self-rating depression scale between the two groups before and after treatment

Group	Cases	SAS scores		SDS scores
		Before treatment	After treatment	Before treatment	After treatment
Control	61	53.15 ± 6.03	43.25 ± 5.64a	52.89 ± 6.24	45.79 ± 5.75a
Observation	61	53.68 ± 5.82	32.15 ± 5.02a	53.34 ± 5.89	30.46 ± 4.93a
t		1.464	-3.285	1.245	-4.845
P value		0.574	0.000	0.634	0.000

^aP < 0.05 vs before treatment. SAS: Self-rating anxiety scale; SDS: Self-rating depression scale.