Table 2:Histopathological variables.
| Variables | Series 2001-2007 | Series 2011-2014 | P-value |
|---|---|---|---|
| SCC/ADENOCA | |||
| SCC | 69 (87.3) | 35 (71.4) | 0.045 |
| ADENOCA | 10 (12.7) | 14 (28.6) | |
| Total | 79 (100) | 49 (100) | |
| SCC/ADENOCA | |||
| SCC | 69 (83.1) | 35 (59.3) | 0.005 |
| ADENOCA | 10 (12) | 14 (23.7) | |
| Others | 4 (4.8) | 10 (16.9) | |
| Total | 83 (100) | 59 (100) | |
| Grade | |||
| G1 | 9 (10.8) | 11 (18.6) | 0.051 |
| G2 | 61 (73.5) | 35 (59.3) | |
| G3 | 13 (15.7) | 10 (16.9) | |
| NA | 0 (0) | 3 (5.1) | |
| Total | 83 (100) | 59 (100) | |
| LN | |||
| LN + | 6 (7.2) | 12 (20.3) | 0.040 |
| LN - | 77 (92.8) | 47 (79.7) | |
| Total | 83 (100) | 59 (100) | |
| LVI | |||
| LVI + | 13 (15.7) | 15 (25.4) | 0.220 |
| LVI - | 70 (84.3) | 44 (74.6) | |
| Total | 83 (100) | 59 (100) | |
| Size | |||
| > 2 cm | 29 (34.9) | 30 (50.8) | 0.085 |
| ≤ 2 cm | 54 (65.1) | 29 (49.2) | |
| Total | 83 (100) | 59 (100) | |
| Size | |||
| > 4 cm | 4 (4.8) | 9 (15.3) | 0.067 |
| ≤ 4 cm | 79 (95.2) | 50 (84.7) | |
| Total | 83 (100) | 59 (100) | |
| Stromal invasion | |||
| > 1/3 | 37 (44.6) | 25 (42.4) | 0.929 |
| ≤ 1/3 | 46 (55.4) | 34 (57.6) | |
| Total | 83 (100) | 59 (100) | |