Table 1.
Patient characteristics (n = 219)
| Variable | Number | Percent |
|---|---|---|
| Age, range (median) | 15–87 (52) | |
| ≤ 50 year | 97 | 44.3 |
| > 50 year | 122 | 55.7 |
| Gender | ||
| Male | 161 | 73.5 |
| Female | 58 | 26.5 |
| Educational level | ||
| ≤ 12 year | 165 | 75.3 |
| > 12 year | 54 | 24.7 |
| Marital status | ||
| With spouse | 160 | 73.1 |
| Without spouse | 59 | 26.9 |
| Smoking history | ||
| Yes | 92 | 42.0 |
| No | 127 | 58.0 |
| Charlson comorbidity index | ||
| 0 | 125 | 57.1 |
| ≥ 1 | 94 | 42.9 |
| Body mass index | ||
| < 23 | 62 | 28.8 |
| ≥ 23 | 157 | 71.2 |
| WHO histology | ||
| Type I | 3 | 1.4 |
| Type IIA | 98 | 44.7 |
| Type IIB | 118 | 53.9 |
| Clinical stagea | ||
| I | 27 | 12.3 |
| II | 45 | 20.6 |
| III | 67 | 30.6 |
| IVA-B | 80 | 36.5 |
| T classificationa | ||
| T1 | 98 | 44.7 |
| T2 | 35 | 16.0 |
| T3 | 48 | 21.9 |
| T4 | 38 | 17.4 |
| N classificationa | ||
| N0 | 37 | 16.9 |
| N1 | 72 | 32.9 |
| N2 | 64 | 29.2 |
| N3 | 46 | 21.0 |
| Chemotherapy | ||
| Concurrent chemotherapy | 192 | 87.7 |
| Adjuvant chemotherapy | 144 | 65.8 |
WHO World Health Organization
aAccording to the AJCC 7th staging system