Table 1.
The characteristics and prognosis for male and female patients
| Variable | Men | Women | P value |
|---|---|---|---|
| Patient (%) |
213 (71.2) |
86 (28.8) |
|
| Age (year) |
49 (18–83) |
47 (22–75) |
0.515 |
| Chemotherapy |
123 (57.7) |
52 (60.5) |
0.835 |
| Histologic type | |||
| undifferentiated carcinoma |
185 (86.9) |
81 (94.2) |
0.680 |
| poorly differentiated carcinoma |
25 (11.7) |
3 (3.5) |
|
| moderately differentiated carcinoma |
3 (1.4) |
2 (2.3) |
|
| nasopharynx tumor volume (cm2) (median) |
36.5 (1.2-279.3) |
27.2 (1.5-222.9) |
0.055 |
| Lymph node max diameter (cm) (median) |
2.5 (0.5-9.0) |
2 (0.4-13.0) |
0.253 |
| T stage | |||
| T1 |
22 (10.3) |
11 (12.8) |
0.563 |
| T2 |
47 (22.1) |
20 (23.3) |
|
| T3 |
106 (49.8) |
40 (46.5) |
|
| T4 |
38 (17.8) |
15 (17.4) |
|
| N stage | |||
| N0 |
11 (5.2) |
5 (5.8) |
0.166 |
| N1 |
37 (17.4) |
22 (25.6) |
|
| N2 |
145 (68.1) |
53 (61.6) |
|
| N3 |
20 (9.4) |
6 (7.0) |
|
| TNM stage | |||
| stage |
4 (1.9) |
4 (4.7) |
0.192 |
| stage |
18 (8.5) |
11 (12.8) |
|
| stage |
139 (65.3) |
51 (59.3) |
|
| stage |
52 (24.4) |
20 (23.3) |
|
| Local failure (%) |
13 (6.1) |
5 (5.8) |
0.924 |
| Regional failure (%) |
11 (5.2) |
1 (1.2) |
0.111 |
| Distant metastasis (%) |
45 (21.1) |
10 (11.6) |
0.055 |
| Tumor progression (%) |
57 (26.8) |
14 (16.3) |
0.054 |
| Median time to local failure (m) |
22 (9–93) |
49 (10–96) |
0.017 |
| Median time to regional failure (m) |
26 (6–63) |
41 |
0.015 |
| Median time to distant metastasis (m) |
19 (5–78) |
23 (7–73) |
0.020 |
| Median time to disease progression (m) | 18 (5–93) | 27.5 (7–96) | 0.010 |