Table 4 Upregulated piR-32051, piR-39894 and piR-43607 expression in high stage and metastatic ccRCC.^a

piR-32051

Stages I-II versus stage III

1.61

0.127

Stages I-II versus stage IV

2.64

0.0005

Stage III versus stage IV

1.03

0.3927

Localized versus metastatic

2.07

0.0007

piR-39894

Stages I-II versus stage III

1.76

0.0974

Stages I-II versus stage IV

3.06

<0.0001

Stage III versus IV

1.29

0.2553

Localized versus metastatic

2.53

<0.0001

piR-43607

Stages I-II versus stage III

1.85

0.0562

Stages I-II versus IV

2.95

<0.0001

Stage III versus IV

1.09

0.3308

Localized versus metastatic

2.72

0.0001