Table 3.

Comparisons of baseline miRNA levels in early breast cancer patients according to tumor characteristics. The differences were calculated using the Mann-Whitney U test and the corresponding p-values are indicated in the table (significant p-values are indicated in bold). (pT: tumor grade; pN: lymph node status; G: tumor grade)

Tumor characteristics	miR-19a	miR-20a	miR-21	miR-22	miR-127	miR-200b
Tumor stage
pT1 vs. pT2-4	0.9345	0.8602	0.3771	0.9719	0.7549	0.1049
Lymph node status
pN0 vs. pN1-3	0.1367	0.8757	0.2502	0.4050	0.5517	0.0032
Grading
G1-2 vs. G3	0.1950	0.7736	0.8899	0.6164	0.8438	0.2286