Table 1.
The comparison of clinical features between 22 cases of basaloid squamous cell carcinoma and 98 cases of PDSC
| Variable | basaloid squamous cell carcinoma (%) | PDSC (%) | p value |
|---|---|---|---|
| Sex (male/female) | 14(63.6)/8(36.4) | 91(92.9)/7(7.1) | 0.001 |
| Mean age (years) | 58.6 | 60.5 | 0.363 |
| Smoking history | 18(81.8) | 85(86.7) | 0.513 |
| Packs/year | 26.3 | 20.8 | 0.103 |
| Packs/year (male) | 33.0 | 20.5 | 0.003 |
| Cardiovascular history | 6(27.3) | 18(18.4) | 0.516 |
| Peri-operative death | 0(0.0) | 4(4.1) | 1.000 |
| Post-operative stages | 0.101 | ||
| I | 9(40.9) | 55(56.1) | |
| II | 8(36.4) | 16(16.3) | |
| III | 4(18.2) | 26(26.5) | |
| IV | 1(4.5) | 1(1.0) | |
| Operation types | 0.487 | ||
| Lobectomy | 16(72.7) | 67(68.4) | |
| Segmentectomy | 3(13.6) | 8(8.2) | |
| Pneumonectomy | 3(13.6) | 23(23.5) | |
| Post-operative treatment | 0.448 | ||
| Chemotherapy | 7(31.8) | 33(33.7) | |
| Radiation therapy | 1(4.5) | 7(7..1) | |
| Combined | 1(4.5) | 15(15.3) | |
| None | 13(59.1) | 43(43.9) |
PDSC = poorly differentiated squamous cell carcinomas