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

Table 3 Imaging differences of lung cancer masses in three groups based on HRCT

Imaging finding(+)			Normal lung function lung cancer group N = 57	PRISm lung cancer group N = 17	COPD lung cancer group N = 34	χ²/H	P-value
Tumor	Tumor volume (cm³)		0.86(0.28,4.20)^#	7.67(1.04,65.73)^*	15.64(6.45,34.47)*	38.232	< 0.001
	Tumor type	Squamous carcinoma	1(1.8%)^#	9(52.9%)^*	15(44.1%)^*	47.452^a	< 0.001
		Adenomatous carcinoma	56(98.2%)^#	8(47.1%)^*	15(44.1%)^*
		Small-cell lung carcinoma	0	0	1(2.9%)
		Neuroendocrine carcinoma	0	0	1(2.9%)
		Adenosquamous carcinoma	0	0	1(2.9%)
		Mucoepidermoid carcinoma	0	0	1(2.9%)
	Tumor distribution	Peripheral type	50(87.7%)^#	7(41.2%)^*	16(47.1%)^*	22.501	< 0.001
	Tumor distribution	Central type	7(12.3%)^#	10(58.8%)^*	18(52.9%)^*	22.501	< 0.001
	Staging	I	45(78.9%)	5(29.4%)	7(20.6%)	32.670	< 0.001
		II	3(5.3%)	2(11.8%)	4(11.8%)
		III	4(7.0%)	3(17.6%)	8(23.5%)
		IV	5(8.8%)	7(41.2%)	15(44.1%)

H: Kruskal-Wallis H test;χ [2]: Chi-square test; a:Fisher-Freeman-Halton exact test statistic;
*: Compared with the normal lung function group, the results were statistically significant; #: Compared with COPD group, the results were statistically significant

ISSN: 1470-7330