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Table 1 Demographics of serum samples of breast cancer patients

From: Serum exosomal-annexin A2 is associated with African-American triple-negative breast cancer and promotes angiogenesis

 ER+HER2+TNBCTotal
Case (%)50 (29.94)59 (35.33)58 (34.73)167 (100)
Race (n = 160)
 CA25 (15.63)38 (23.75)27 (16.87)91 (56.25)
 AA25 (15.63)16 (10)29 (18.12)70 (43.75)
Tumor grade (n = 159)
 I12 (7.55)4 (2.51)16 (10.06)
 II25 (15.72)15 (9.44)9 (5.66)49 (30.82)
 III12 (7.55)36 (22.64)46 (28.93)94 (59.12)