Thoracic high resolution computed tomography evaluation of imaging abnormalities of 108 lung cancer patients with different pulmonary function

Table 1 Clinical characteristics of the lung cancer patients

Characteristics	Normal lung function lung cancer group N = 57	PRISm lung cancer group N = 17	COPD lung cancer group N = 34	F/χ²	P-value
Age, yr	56.30 ± 14.38^#	70.76 ± 6.71^*	67.15 ± 7.27^*	15.181	< 0.001
Male/Female	19/38^#	13/4^*	29/5^*	26.673	< 0.001
BMI, Kg/m²	23.58 ± 4.03	22.74 ± 2.92	21.99 ± 2.92	2.159	0.121
Smoking	10(17.5%)^#	10(58.8%)^*	24(70.6%)^*	27.553	< 0.001
SI > 20	4(7.0%)^#	9(52.9%)^*	21(61.8%)^*	33.899	< 0.001
FEV_1,%	99.83 ± 13.25^#	66.09 ± 10.13^*	57.21 ± 17.54^*	104.975	< 0.001
FVC,%	99.94 ± 14.98^#	66.22 ± 12.58^*	69.95 ± 17.61^*	54.750	< 0.001
FEV₁/FVC,%	97.28 ± 11.52^#	85.07 ± 8.67^*#	61.24 ± 8.97^*	128.654	< 0.001

F: ANOVA; χ²: Chi-square test; *: Compared with the normal lung function group, the results were statistically significant; #: Compared with COPD group, the results were statistically significant; BMI: Body Mass Index; SI: Smoking index; FEV₁: Forced Expiratory Volume in 1s; FVC: Forced vital capacity

ISSN: 1470-7330