Differentiating malignant and benign necrotic lung lesions using kVp-switching dual-energy spectral computed tomography

Table 1 Comparison of patients’ clinical characteristics between groups

Characteristics	NLC (n = 40)	NPMIL (n = 31)	p value
Gender
Men	34 (85.00%)	24 (77.42%)	0.413^a
Women	6 (15.00%)	7 (22.58%)	0.413^a
Age (years)
Mean ± standard deviation	63 ± 9	53 ± 11	< 0.001^b
Range	43–84	34–79	< 0.001^b
Smokers	31 (77.50%)	25 (80.65%)	0.747^a
Respiratory symptoms
Fever	4 (10.00%)	6 (19.35%)	0.435^a
Cough	31 (77.50%)	21(67.74%)	0.357^a
Chest pain	12 (30.00%)	16 (51.61%)	0.065^a
Laboratory results
Elevation of white blood cell count	10 (25.00%)	8 (25.81%)	0.938^a
Elevation of C-reactive protein concentration	17 (42.50%)	25 (80.65%)	0.001^a

NLC, necrotic lung cancer; NPMIL, necrotic pulmonary mass-like inflammatory lesion
^a Chi-squared test
^b Two-independent-samples Student’s t-test

ISSN: 1471-2342