Table 2.
Patient Characteristics
| Characteristics | No. of patients |
|---|---|
| Total no. of patients | 93 |
| Gender | |
| Male | 63 (68%) |
| Female | 30 (32%) |
| Stage* | |
| IA | 20 (22%) |
| IB | 32 (35%) |
| IIA | 4 (4%) |
| IIB | 16 (17%) |
| IIIA | 19 (20%) |
| IIIB | 1 (1%) |
| IV | 1 (1%) |
| Grading | |
| Well differentiated | 10 (11%) |
| Moderately differentiated | 37 (40%) |
| Poorly differentiated | 33 (35%) |
| Undifferentiated | 5 (5%) |
| Unknown | 8 (9%) |
| Blood group type | |
| O | 33 (35%) |
| A | 42 (45%) |
| B | 9 (10%) |
| A/B | 2 (2%) |
| Unknown | 7 (8%) |
*According to the 5th edition of the TNM classification of lung cancer, 1997.