Table 4.
Symptom description by tobacco consumption in non-small cell lung cancer
| Symptoms at diagnosis* | Never smokers† | Ex-smokers† | Current smokers† | P trend |
| Cough | 387 (34.1) | 1310 (31.7) | 1099 (34.5) | 0.163 |
| Pain | 318 (28.0) | 990 (24.0) | 1008 (31.6) | <0.001 |
| Dyspnoea | 330 (29.1) | 1014 (24.5) | 823 (25.8) | 0.365 |
| Haemoptysis | 70 (6.2) | 511 (12.4) | 389 (12.2) | <0.001 |
| Weight loss | 223 (19.7) | 678 (16.4) | 842 (26.4) | <0.001 |
| Anorexia | 66 (5.8) | 185 (4.5) | 226 (7.1) | 0.001 |
| Asthenia | 114 (10.1) | 315 (7.6) | 331 (10.4) | 0.024 |
| Superior vena cava syndrome | 3 (0.3) | 6 (0.1) | 15 (0.5) | 0.039 |
| Aphonia or voice alterations | 331 (2.7) | 100 (2.4) | 104 (3.3) | 0.085 |
|
Number of symptoms‡ 0 1 2 3 4 or more |
341 (30.1) 252 (31.0) 236 (20.8) 127 (11.2) 78 (6.9) |
1531 (37.0) 1121 (27.1) 812 (19.6) 427 (10.3) 242 (5.8) |
879 (27.6) 887 (27.8) 694 (21.8) 454 (14.2) 272 (8.4) |
<0.001 0.263 0.113 <0.001 <0.001 |
*Percentages calculated as a total of the sample.
†Never smoker: participant smoked less than 100 cigarettes in lifetime. Ex-smoker: stopped smoking more than 1 year before diagnosis. Current smoker: declared smoking during the year before diagnosis. Eighty-nine participants had unknown tobacco consumption.
‡Totals calculated for each smoking category.