Diagnostic value of endoscopic appearance during ductoscopy in patients with pathological nipple discharge

BMC Cancer

Table 2 Univariate analysis of factors associated with intraductal papillary lesion identified by ductoscopy by chi-square test

Factors	Diagnosis made by pathology		X ²	P value
Factors	Papillary lesion	Nonpapillary lesion	X ²	P value
Age (year)
< 40	59	28	4.05	0.033
≥ 40	127	33	4.05	0.033
Duration of discharge (month)
≤ 6	127	38	0.74	0.239
> 6	59	23	0.74	0.239
Color of discharge
Non-bloody	36	39	43.17	P < 0.01
Bloody	150	22	43.17	P < 0.01
Spontaneous or not
Spontaneous	181	54	5.89	0.011
Non-spontaneous	5	7	5.89	0.011

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