Table 1

Comparison of the clinicopathological parameters of the patients according to DTC status in bone marrow after primary surgery
Variable No. of patients n = 154 Post-operatively DTC status P-values
Positive n = 23 Negative n = 131
Age 0.013
 <=55 years 78 6 (8) 72 (92)
 >55 years 76 17 (22) 59 (78)
Lymph node status 0.223
 pN0 110 14 (13) 96 (87)
 pN1-2 44 9 (20) 35 (80)
Tumor size 0.469
 pT1 105 14 (13) 91 (87)
 pT2-4 49 9 (18) 40 (82)
Tumor grade 0.803
 1 55 8 (14) 47 (86)
 2 61 10 (16) 51 (84)
 3 35 4 (11) 31 (89)
 Unknown 3
Estrogen receptor status 0.365
 ER positive 127 17 (13) 110 (87)
 ER negative 25 5 (20) 20 (80)
 Unknown 2
Progesterone receptor status 0.105
 PgR positive 76 15 (20) 61 (80)
 PgR negative 75 7 (9) 68 (91)
 Unknown 3
Histological type 0.182
 Ductal 121 15 (12) 106 (88)
 Lobular 15 3 (20) 12 (80)
 Mixed ductal/lobular 5 1 (20) 4 (80)
 Other 13 4 (31) 9 (69)
Chemotherapy 0.798
 Therapy 41 5 (12) 36 (88)
 No therapy 113 18 (16) 95 (84)
Endocrine therapy 0.336
 Therapy 47 9 (18) 38 (81)
 No therapy 107 14 (13) 93 (87)

Numbers in brackets represent the number of patients in percent.

Tjensvoll et al.

Tjensvoll et al. BMC Cancer 2012 12:190   doi:10.1186/1471-2407-12-190

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