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

Table 2 Comparison of respiratory function indexes between the two groups before and after treatment

Group	Cases	Vital capacity (%)		Forceful vital capacity1/forceful vital capacity (%)		Maximal voluntary ventilation (%)
		Before treatment	After treatment	Before treatment	After treatment	Before treatment	After treatment
Control	61	59.84 ± 6.25	72.47 ± 8.02a	64.58 ± 8.34	71.83 ± 7.26a	51.62 ± 5.92	57.39 ± 5.02
Observation	61	60.61 ± 5.93	79.95 ± 7.39a	64.95 ± 7.39	80.64 ± 8.31a	50.97 ± 6.02	66.48 ± 5.43a
t		0.827	3.141	0.256	4.362	-1.249	2.345
P value		0.568	0.186	0.682	0.136	0.721	0.042

^aP < 0.05 vs before treatment.