Table 3. Basic clinicopathologic data of tissue samples from patients with NSCLC.
Parameter | No. of tissue samples (%) |
---|---|
Age-yr | |
Median | 61 |
Range | 31–84 |
Sex | |
Male | 434 (74.4) |
Female | 149 (25.6) |
Tumor type | |
SCC | 303 (52.0) |
ADC | 280 (48.0) |
Tumor stagea | |
0 | 1 (0.2) |
I | 187 (32.1) |
II | 222 (38.0) |
III+IV | 173 (29.7) |
T status | |
Tis | 1 (0.2) |
T1 | 73 (12.5) |
T2 | 373 (64.0) |
T3 | 96 (16.4) |
T4 | 40 (6.9) |
N status | |
N0 | 304 (52.1) |
N1-3 | 279 (47.9) |
M status | |
M0 | 572 (98.1) |
M1 | 11 (1.9) |
Tumor differentiationb | |
Well | 30 (5.2) |
Moderate | 270 (46.3) |
Poorly | 283 (48.5) |
Gross pathology | |
Central-type | 314 (53.9) |
Peripheral-type | 269 (46.1) |
Smoking status | |
Nonsmoker | 179 (30.7) |
Current or former smoker | 398 (68.3) |
Unknown | 6 (1.0) |
aTumor stage was classified according to the 7th edition of the International Union against Cancer (UICC) Tumor Node Metastasis (TNM) classification of malignant tumors.
bTumor differentiation was based on the criteria of the 2004 World Health Organization Classification of Tumors.