Analysis of antinuclear antibody pattern distribution and correlation in patients with colorectal cancer

Table 1 Comparison of general baseline information among the 3 groups

Groups	n	Age (years)	Example (M:F)
Colorectal cancer primary diagnostic group	38	61.97 ± 8.87	24:14
Colorectal polyp group	43	60.56 ± 9.82	23:20
Healthy control group	29	56.93 ± 7.09	16:13
P value		0.07	0.66

M: Male; F: Female.

Table 2 Comparison of antinuclear antibody positivity rate among the 3 groups

Groups	n	Positive	Negative	Positivity rate (%)
Colorectal cancer primary diagnostic group	38	19	19	50.00
Colorectal polyp group	43	20	23	46.51
Healthy control group	29	2	27	6.90
P value				0.0004

Table 3 Intergroup comparison of antinuclear antibody positivity rates between the 3 groups

Comparison between groups	Colorectal cancer primary diagnostic group - colorectal polyp group	Colorectal cancer primary diagnostic group - healthy control group	Colorectal polyp group - healthy control group
P value	1	0.02	0.03

Table 4 Positive analysis of titers in the 3 groups

Groups	Low titer (1:100)	Medium titer (1:320)	High titer (1:1000)
Colorectal cancer primary diagnostic group	11	6	2
Colorectal polyp group	16	5	0
Healthy control group	2	0	0
P value	1	0.004	/