TABLE 3.
Association between smoking index and CUL4A expression in different subtypes of lung cancer
| Smoking index | Case no. (%) | CUL4A, no. (%) |
||
|---|---|---|---|---|
| Low | High | P | ||
| All subtypes | ||||
| I | 40 (11) | 22 (55) | 18 (45) | I versus II 0.662 |
| II | 43 (12) | 21 (49) | 22 (51) | II versus III 0.484 |
| III | 140 (40) | 59 (42) | 81 (58) | I versus III 0.155 |
| Adenocarcinoma | ||||
| I | 6 (07) | 4 (67) | 2 (33) | I versus II 1.000 |
| II | 11 (12) | 8 (73) | 3 (27) | II versus III 0.282 |
| III | 27 (29) | 13 (48) | 14 (52) | I versus III 0.656 |
| Large cell lung cancer | ||||
| I | 2 (03) | 0 (00) | 2 (100) | I versus II 0.500 |
| II | 7 (11) | 3 (43) | 4 (57) | II versus III 1.000 |
| III | 29 (48) | 11 (38) | 18 (62) | I versus III 0.527 |
| Squamous cell lung cancer | ||||
| I | 30 (23) | 18 (60) | 12 (40) | I versus II 0.180 |
| II | 25 (20) | 10 (40) | 15 (60) | II versus III 0.805 |
| III | 47 (37) | 21 (45) | 26 (55) | I versus III 0.244 |
| Small cell lung cancer | ||||
| I | 2 (03) | 0 (00) | 2 (100) | I versus III 0.528 |
| III | 37 (51) | 14 (38) | 23 (62) | |