Table 1.
Characteristics of 100 lung cancer patients assayed for HPV DNA in normal lung tissue and in the cancer tissue
| Characteristic | No. of patients |
|---|---|
| Country of residence |
|
|
Italy |
87 a |
|
UK |
13 |
| Age at diagnosis (years) |
|
|
<60 |
31 |
|
60-70 |
32 |
|
>70 |
37 |
| Gender |
|
|
Male |
35 |
|
Female |
65 |
| Histology |
|
|
Adenocarcinoma |
72 |
|
Squamous cell carcinoma |
20 |
|
Otherb |
8 |
| Clinical stage c |
|
|
I |
54 |
|
II |
16 |
|
III |
26 |
| IV | 3 |
a 44 patients recruited at Istituto Europeo di Oncologia, Milan, Italy, and 43 at Istituto Nazionale Tumori, Milan, Italy. b Includes 1 large cell carcinoma, 2 small cell carcinomas, 2 neuroendocrine tumors, 1 poorly differentiated tumor, and 2 not-otherwise-specified tumors. c Data missing for one sample that was not staged.