From: Influence of gender and age on the survival of patients with nasopharyngeal carcinoma
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 |