Table 2.
Relationship between miR-1304 and pathological data
| Factors | High expression (n = 39) | Low expression (n = 39) | χ2 | P value |
| Gender | 0.834 | 0.361 | ||
| Male (n = 44) | 20 (51.28) | 24 (61.54) | ||
| Female (n = 34) | 19 (48.72) | 15 (38.46) | ||
| Age (yr) | 0.821 | 0.365 | ||
| ≥ 60 (n = 38) | 17 (43.59) | 21 (53.85) | ||
| < 60 (n = 40) | 22 (56.41) | 18 (46.15) | ||
| Lesion location | 1.523 | 0.467 | ||
| The upper thoracic area (n = 19) | 10 (25.64) | 9 (23.08) | ||
| The middle thoracic area (n = 34) | 19 (48.72) | 15 (38.46) | ||
| The lower thoracic area (n = 25) | 10 (25.64) | 15 (38.46) | ||
| Tumor size | 6.356 | 0.001 | ||
| ≥ 3 cm (n = 45) | 28 (71.79) | 17 (43.59) | ||
| < 3 cm (n = 33) | 11 (28.21) | 22 (56.41) | ||
| Differentiation | 4.768 | 0.029 | ||
| Low differentiation (n = 25) | 17 (43.59) | 8 (20.51) | ||
| Moderate + high differentiation (n = 53) | 22 (56.41) | 31 (79.49) | ||
| TNM stage | 6.854 | 0.009 | ||
| Stage I (n = 27) | 8 (20.51) | 19 (48.72) | ||
| Stage II + III (n = 51) | 31 (79.49) | 20 (51.28) |