[Retracted] Clinicopathological Features of 166 Cases of Invasive Ductal Breast Carcinoma and Effect of Primary Tumor Location on Prognosis after Modified Radical Mastectomy

Table 2

Univariate analysis of prognosis of IDC patients after modified radical mastectomy (n, %).

Clinicopathologic features		Cases (n = 166)	5-year survival rate	χ^2 value	value
Age (years)	<35	8	75.00% (6/8)	4.803	0.091
	≥35 and <50	72	83.33% (60/72)
	≥50	86	93.02% (80/86)
Menopause	No	89	87.64% (78/89)	0.018	0.895
	Yes	77	88.31% (68/77)
Tumor diameter (cm)	≤2	43	93.02% (40/43)	1.596	0.450
	>2 and ≤5	118	86.44% (102/118)
	>5	5	80.00% (4/5)
Histological grading	Type I	7	100% (7/7)	0.792	0.782
	Type II	95	94.74% (90/95)
	Type III	64	93.75% (60/64)
Molecular typing	Luminal type	105	92.38% (97/105)	5.290	0.021
	Unluminal type	61	80.33% (49/61)
Lymph node metastasis	No	97	93.81% (91/97)	8.556	0.000
	1∼3 nodes	41	82.92% (34/41)
	≥4 nodes	28	75.00% (21/28)
Vascular infiltration	No	162	88.89% (144/162)	5.472	0.025
	Yes	4	50.00% (2/4)
Radiation therapy	No	111	84.68% (94/111)	3.375	0.066
	Yes	55	94.55% (52/55)
Chemotherapy	No	26	80.77% (21/26)	1.501	0.221
	Yes	140	89.29% (125/140)
Hormone therapy	No	76	82.89% (63/76)	3.383	0.066
	Yes	90	92.22% (83/90)
Primary tumor location	Outer upper quadrant	94	94.47% (89/94)	12.720	0.000
	Outer lower quadrant	17	88.24% (15/17)
	Central area	15	80.00% (12/15)
	Inner upper quadrant	32	78.13% (25/32)
	Inner lower quadrant	8	62.50% (5/8)