Table 1 Distribution of questionnaire data and biological samples in cases and controls from EAGLE
| Â | Cases No. 2101 | Controls No. 2120 | ||
|---|---|---|---|---|
| Â | No. | % | No. | % |
With data on major risk factors | 2067 | 98.4 | 2116 | 99.8 |
With data on diet and behavioural factors | 1903 | 90.6 | 2073 | 97.8 |
With at least one DNA sample* | 2045 | 97.3 | 2117 | 99.9 |
   With blood sample | 1891 | 90.0 | 1841 | 86.8 |
   With buccal rinse sample | 154 | 7.3 | 282 | 13.3 |
With at least one pathology sample | 1212 | 57.7 | Â | Â |
   With tissue slides | 1192 | 56.7 |  |  |
   With paraffin-embedded tissue blocks | 656 | 31.2 |  |  |
   With fresh tissue samples | 436 | 20.8 |  |  |