Table I.
Correlation between miR-1 status detected by ISH in pancreatic ductal adenocarcinoma tissue and clinicopathological features.
| miR-1 ISH staining | ||||
|---|---|---|---|---|
| Clinicopathological feature | Negative (n=32) | Positive (n=11) | rs | P-value |
| Sex | 0.127 | 0.740000 | ||
| Male | 17 | 5 | ||
| Female | 15 | 6 | ||
| Tumor size, cm | 3.348±0.44 | 1.251±0.34 | 0.661 | 0.000013 |
| Histological grade | 0.114 | 0.120000 | ||
| G1 | 13 | 2 | ||
| G2 | 10 | 5 | ||
| G3 | 9 | 4 | ||
| LN metastasis | 0.399 | 0.000028 | ||
| N0 | 24 | 10 | ||
| N1 | 8 | 1 | ||
| pTNM stage | 0.327 | 0.000542 | ||
| I–II | 7 | 8 | ||
| III | 11 | 3 | ||
| IV | 14 | 0 | ||
Tumor size data are expressed as the mean. P-values were calculated by Spearman's rank correlation test (n=43). ISH, in situ hybridization; miR, microRNA; TNM, tumor node metastasis; LN, lymph node.