Table 1 Baseline characteristics of advanced squamous cell carcinoma of the hypopharynx by primary treatment.
From: Treatment patterns and survival outcomes of advanced hypopharyngeal squamous cell carcinoma
Variable | All | Surgery | CCRT | |||
|---|---|---|---|---|---|---|
n | (%) | n | (%) | n | (%) | |
Total | 652 | 213 | 439 | |||
Sex | ||||||
Female | 13 | (2.0) | 1 | (7.7) | 12 | (92.3) |
Male | 639 | (98.0) | 212 | (33.2) | 427 | (66.8) |
Age (years) | ||||||
< 65 | 565 | (86.7) | 184 | (32.6) | 381 | (67.4) |
≥ 65 | 87 | (13.3) | 29 | (33.3) | 58 | (66.7) |
Mean (SD) | 53 | (10.0) | 53 | (9.6) | 53 | (10.3) |
T classification | ||||||
T1 | 30 | (4.6) | 10 | (33.3) | 20 | (66.7) |
T2 | 81 | (12.4) | 23 | (28.4) | 58 | (71.6) |
T3 | 146 | (22.4) | 63 | (43.2) | 83 | (56.8) |
T4 | 395 | (60.6) | 117 | (29.6) | 278 | (70.4) |
N classification | ||||||
N0 | 100 | (15.3) | 30 | (30.0) | 70 | (70.0) |
N1 | 99 | (15.2) | 48 | (48.5) | 51 | (51.5) |
N2 | 369 | (56.6) | 127 | (34.4) | 242 | (65.6) |
N3 | 84 | (12.9) | 8 | (9.5) | 76 | (90.5) |
Overall stages | ||||||
III | 91 | (14.0) | 44 | (48.4) | 47 | (51.6) |
IVA | 412 | (63.2) | 147 | (35.7) | 265 | (64.3) |
IVB | 149 | (22.8) | 22 | (14.8) | 127 | (85.2) |
Histology grade | ||||||
WD/MD SCC | 360 | (55.2) | 177 | (49.2) | 183 | (50.8) |
PD/UD | 90 | (13.8) | 27 | (30.0) | 63 | (70.0) |
Unclassified | 202 | (31.0) | 9 | (4.5) | 193 | (95.5) |