Table 1.
Correlation between the clinicopathologic characteristics and expression of lncRNA PVT1 protein in SCLC
| Characteristics | n | lncRNA PVT1 (%) | P | |
|---|---|---|---|---|
|
| ||||
| High expression | Low expression | |||
| Gender | ||||
| Female | 46 | 26 (56.5) | 20 (43.5) | 0.260 |
| Male | 74 | 34 (45.9) | 40 (54.1) | |
| Age (y) | ||||
| <50 | 47 | 21 (44.7) | 26 (55.3) | 0.350 |
| ≥50 | 73 | 39 (53.4) | 34 (46.6) | |
| Smoking | ||||
| No | 67 | 35 (52.2) | 32 (47.8) | 0.581 |
| Yes | 53 | 25 (47.2) | 28 (52.8) | |
| Clinical stage | ||||
| Limited | 57 | 14 (24.6) | 43 (75.4) | <0.001 |
| Extensive | 63 | 46 (73.0) | 17 (27.0) | |
| Tumor size | ||||
| <5 cm | 72 | 33 (45.8) | 39 (54.2) | 0.264 |
| >5 cm | 48 | 27 (56.3) | 21 (43.8) | |
| Lymph node metastasis | 60 | 60 | ||
| No | 60 | 15 (25.0) | 45 (75.0) | <0.001 |
| Yes | 60 | 45 (75.0) | 15 (25.0) | |
| Distant metastasis | ||||
| No | 89 | 33 (37.1) | 56 (62.9) | <0.001 |
| Yes | 31 | 27 (87.1) | 4 (12.9) | |