Table 2.
Tumor and treatment- related characteristics (n = 91)
| Variable | Without LNF No. of. patients (%) |
With LNF No. of. patients (%) |
p* value |
|---|---|---|---|
| Primary site | 0.16 | ||
| Nasopharynx | 1 (2) | 5 (13) | |
| Oropharynx | 24 (44) | 20 (54) | |
| Oral cavity | 14 (26) | 8 (22) | |
| Hypopharynx | 1 (2) | 1 (3) | |
| Larynx | 5 (9) | 1 (3) | |
| PNS & Nasal cavity | 7 (13) | 2 (5) | |
| Others | 2 (4) | 0 (0) | |
| T stage | 0.16 | ||
| T1 | 12 (24) | 12 (33) | |
| T2 | 15 (29) | 13 (36) | |
| T3 | 16 (31) | 4 (11) | |
| T4 | 8 (16) | 7 (20) | |
| Missing | 3 | 1 | |
| N stage | 0.009 | ||
| N0 | 24 (45) | 10 (27) | |
| N1 | 9 (17) | 18 (49) | |
| N2 | 19 (36) | 9 (24) | |
| N3 | 1 (2) | 0 (0) | |
| Missing | 1 | 0 | |
| Overall stage | 0.21 | ||
| I | 3 (6) | 3 (8) | |
| II | 9 (17) | 3 (8) | |
| III | 14 (26) | 17 (46) | |
| IVA/B | 27 (51) | 14 (38) | |
| Missing | 1 | 0 | |
| Type of treatment | 0.24 | ||
| Definitive RT | 35 (65) | 30 (81) | |
| RT alone | 9 (17) | 9 (24) | |
| Concurrent CRT | 26 (48) | 21 (57) | |
| Postoperative RT | 19 (35) | 7 (19) | |
| RT alone | 17 (31) | 5 (14) | |
| Concurrent CRT | 2 (4) | 2 (5) | |
| Chemotherapy | 0.28 | ||
| Yes | 28 (52) | 24 (65) | |
| Neck dissection | 0.13 | ||
| Yes | 27 (50) | 12 (32) | |
| PEG tube use | 0.82 | ||
| Yes | 18 (33) | 11 (30) |
Abbreviations: PNS= Para nasal sinuses, T= tumor, N= nodal stage, PEG= percutaneous endoscopic gastrostomy, RT= radiation therapy, CRT= definitive chemoradiotherapy.
*
p < 0.05 considered statistically significant.