Analysis of the clinical value of gemstone spectral computed tomography imaging in the preoperative assessment of colorectal cancer

Table 1 General data analysis of colorectal cancer patients with and without lymph node metastasis, n (%)

General data	Without lymph node metastasis (n = 108)	With lymph node metastasis (n = 92)	χ2/t	P value
Sex			0.136	0.712
Male	58 (53.70)	47 (51.09)
Female	50 (46.30)	45 (48.91)
Age (year), mean ± SD	60.31 ± 11.26	61.79 ± 8.55	1.032	0.303
Smoking history			2.170	0.141
Without	72 (66.67)	52 (56.52)
With	36 (33.33)	40 (43.48)
Alcoholism history			3.414	0.065
Without	79 (73.15)	56 (60.87)
With	29 (26.85)	36 (39.13)
Family medical history			0.545	0.461
Without	86 (79.63)	77 (83.70)
With	22 (20.37)	15 (16.30)