Table 3 The lymph node recurrence (N, %) at respective level in patient with hypopharyngeal carcinoma treated by surgery with or without postoperative RT
Nodal level | Postoperative RT N = 40 | Non postoperative RT N = 6 | Total N = 46 | P value | Odds ratio (95% CI) |
|---|---|---|---|---|---|
iIb | 0 | 1 (16.7%) | 1 (2.2%) | ||
iII | 3 (7.5%) | 2 (33.3%) | 5 (10.9%) | 0.058 | 0.162 (0.021–0.128) |
iIII | 1 (2.5%) | 1 (16.7%) | 2 (4.3%) | 0.113 | 0.128 (0.007–2.387) |
iIV | 1 (2.5%) | 0 | 1 (2.2%) | ||
iVa | 1 (2.5%) | 0 | 1 (2.2%) | ||
iVIb | 2 (5.0%) | 2 (33.3%) | 4 (8.7%) | 0.022 | 0.105 (0.011–0.964) |
iVII | 3 (7.5%) | 2 (33.3%) | 5 (10.9%) | 0.058 | 0.162 (0.021–0.128) |
cII | 1 (2.5%) | 3 (50.0%) | 4 (8.7%) | < 0.001 | 0.026 (0.002–0.328) |
cIII | 2 (5.0%) | 1 (16.7%) | 3 (6.5%) | 0.280 | 0.263 (0.020–3.456) |
cIV | 0 | 0 | 0 | ||
cV | 0 | 0 | 0 | ||
cVIb | 1 (2.5%) | 0 | 1 (2.2%) | ||
cVII | 1 (2.5%) | 0 | 1 (2.2%) |