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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2008 Dec;17(12):3319–3324. doi: 10.1158/1055-9965.EPI-08-0544

Table 2. Univariate analysis of triple-negative status.

Triple-negative, n (%) on-triple-negative, n (%) P
Age at diagnosis (y)
 <40 22 (20.0) 41 (9.4) 0.0004
 40-49 27 (24.5) 76 (17.3)
 50-59 33 (30.0) 128 (29.2)
 60-69 18 (16.4) 95 (21.7)
 >70 10 (9.1) 98 (22.4)
BMI (kg/m2)
 <25 28 (24.8) 104 (26.1) 0.0098
 25-29.9 29 (25.7) 152 (38.1)
 ≥30 56 (49.6) 143 (35.8)
Tumor size
 T1 (<2 cm) 34 (30.9) 245 (52.2) 0.0002
 T2 (2-5 cm) 58 (52.7) 179 (38.2)
 T3 (>5 cm) 18 (16.4) 45 (9.6)
Tumor grade
 1 2 (1.9) 63 (14.5) <0.0001
 2 19 (17.6) 161 (36.9)
 3 87 (80.5) 212 (48.6)
Nodal status
 Negative 54 (67.5) 277 (69.8) 0.6886
 Positive 26 (32.5) 120 (30.2)