|
Characteristics of lung cancer patients recruited to GELCAPS |
||
| Cases |
Controls |
|
|
|
||
| Total |
5,269 |
2,094 |
| Gender (Male: Female) |
3,382 (64.2%) |
645 (30.8%) |
| Age at diagnosis (years) |
887 (35.8%) |
446 (69.1%) |
| <40 |
53 (1.0%) |
64 (3.1%) |
| 40–49 |
302 (5.7%) |
166 (7.9%) |
| 50–59 |
1,146 (21.7%) |
514 (24.5%) |
| 60–69 |
1,868 (35.4%) |
756 (36.1%) |
| 70–79 |
1,590 (30.1%) |
510 (24.4%) |
| 80+ |
310 (5.9%) |
84 (4.0%) |
| Mean (SD) |
65.1 (10.0) |
62.9 (10.6) |
| Ethnicity |
||
| Arabic |
3 (0.05%) |
1 (0.05%) |
| Asian |
7 (0.13%) |
6 (0.29%) |
| Bangladeshi |
1 (0.01%) |
0 |
| Black-African |
4 (0.08%) |
1 (0.05%) |
| Black-Caribbean |
31 (0.59%) |
8 (0.38%) |
| Black-Other |
1 (0.01%) |
0 |
| Indian |
16 (0.30%) |
4 (0.19%) |
| Jewish-Ashkenazi |
12 (0.22%) |
6 (0.29%) |
| Pakistani |
8 (0.15%) |
0 |
| White |
5,065 (96.1%) |
1,947 (93.0%) |
| Other/not specified |
82 (1.6%) |
121 (5.8%) |
| Reported asbestos exposure |
807 (15.2%) |
125 (6.0%) |
| Family history of lung cancer |
750 (14.2%) |
212 (10.1%) |
| Smoking habits |
||
| Never-smokers |
307 (5.8%) |
718 (34%) |
| All smokers |
||
| Age first started smoking (SD) |
16.5 (4.0) |
17.9 (4.8%) |
| Pack years in Smokers (SD) |
47.2 (30.6) |
30.4 (22.1%) |
| Histology of cancer |
||
| Small cell (SCLC) |
1,193 (22.6%) |
|
| Non-small cell (NSCLC) |
3,815 (72.4%) |
|
| Squamous |
1,905 (49.9%) |
|
| Adenocarcinoma (including variants) |
1,110 (29.1%) |
|
| Large cell |
10 (0.3%) |
|
| Brochoalveolar |
44 (1.2%) |
|
| Adenosquamous |
11 (0.3%) |
|
| Neuroendocrine |
20 (0.5%) |
|
| NSCLC unspecified |
715 (18.7%) |
|
| Sarcoma |
5 (0.1%) |
|
| Unclassified primary |
256 (4.9%) |
|
| Tumour stage at presentation, by histology |
||
| SCLC |
||
| Limited |
168 (50.4%) |
|
| Extensive |
165 (59.6%) |
|
| NSCLC |
||
| I |
151 (14.1%) |
|
| II |
140 (13.1%) |
|
| III |
457 (42.7%) |
|
| IV |
323 (30.2%) |
|
Eisen et al. BMC Cancer 2008 8:244 doi:10.1186/1471-2407-8-244 |
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