Table 3 Factors influencing therapy and lymph node yield (linear regression)
From: The effect of preoperative chemoradiotherapy on lymph nodes harvested in TME for rectal cancer
| Â | Variable | Lymph nodes | SD | P value |
|---|---|---|---|---|
| Â | Total | 13.6 | 7.3 | Â |
Tumor grade: | Â | Â | Â | 0.08 |
| Â | G1 (5) | 13.2 | 6.8 | Â |
| Â | G2 (76) | 14.1 | 7.3 | Â |
| Â | G3 (10) | 19.7 | 7.0 | Â |
| Â | Gx (20) | 8.4 | 3.7 | Â |
Stage: | Â | Â | Â | 0.46 |
| Â | 0 (7) | 11.7 | 5.4 | Â |
| Â | I (31) | 12 | 6.4 | Â |
| Â | II (22) | 15.5 | 8.3 | Â |
| Â | III (39) | 15.8 | 7.3 | Â |
| Â | X (12) | 7.9 | 4.5 | Â |
Surgical approach: | Â | Â | Â | 0.19 |
| Â | Open (38) | 15.8 | 8.3 | Â |
| Â | Laparoscopy (73) | 12.4 | 6.4 | Â |
Neoadjuvant: | Â | Â | Â | 0.05 |
| Â | No (61) | 15.3 | 7.7 | Â |
| Â | Yes (50) | 11.5 | 6.5 | Â |