Effect of continuous nursing combined with respiratory exercise nursing on pulmonary function of postoperative patients with lung cancer

Table 1 Comparison of general data between the two groups

Clinical information	Test group, n = 40	Control group, n = 40	t/χ2	P value
Average age (yr), mean ± SD	62.76 ± 10.43	62.18 ± 10.39	0.249	0.803
Gender, n (%)
Male	24 (60)	25 (62.5)	0.053	0.818
Female	16 (40)	15 (38.5)
Average disease duration (mo), mean ± SD	6.47 ± 1.32	63.6 ± 6.5	0.636	0.527
BMI (kg/m2), mean ± SD	23.52 ± 3.68	23.47 ± 3.97	0.058	0.9536

BMI: Body mass index.