Table 1 Baseline characteristics of the 251 patients with N0-category nasopharyngeal carcinoma (NPC) and enlarged neck lymph nodes (ENLNs)
Characteristic | Total (cases) | Small ENLN group [cases (%)] | Large ENLN group [cases (%)] | P valuea |
|---|---|---|---|---|
Gender | 0.923 | |||
Male | 194 | 66 (77.6) | 128 (77.1) | |
Female | 57 | 19 (22.4) | 38 (22.9) | |
Age (years) | 0.661 | |||
<50 | 167 | 55 (64.7) | 112 (67.5) | |
≥50 | 84 | 30 (35.3) | 54 (32.5) | |
Smoking | 0.935 | |||
Yes | 73 | 25 (29.4) | 48 (28.9) | |
No | 178 | 60 (70.6) | 118 (71.1) | |
Drinking | 0.836 | |||
Yes | 25 | 8 (9.4) | 17 (10.2) | |
No | 226 | 77 (90.6) | 149 (89.8) | |
LDH (U/L) | 0.973 | |||
<245 | 242 | 82 (96.5) | 160 (96.4) | |
≥245 | 9 | 3 (3.5) | 6 (3.6) | |
Family history of cancer | 0.332 | |||
Yes | 87 | 26 (30.6) | 61 (36.7) | |
No | 164 | 59 (69.4) | 105 (63.2) | |
BED (Gy) | 0.821 | |||
<72 | 91 | 30 (35.3) | 61 (36.7) | |
≥72 | 160 | 55 (64.7) | 105 (63.3) | |
Chemotherapy | 0.222 | |||
Yes | 152 | 47 (55.3) | 105 (63.3) | |
No | 99 | 38 (44.7) | 61 (36.7) | |
T categoryb | 0.270 | |||
T1 | 80 | 27 (31.8) | 53 (31.9) | |
T2 | 54 | 24 (28.2) | 30 (18.1) | |
T3 | 87 | 25 (29.4) | 62 (37.3) | |
T4 | 30 | 9 (10.6) | 21 (12.7) |