The table shows results from comparable groups in a cardiovascular treatment study.
Table
| Treatment | Patients studied | Patients having a heart attack | Patients with a serious side effect |
|---|---|---|---|
| P | 2000 | 80 | 40 |
| Q | 1000 | 30 | 50 |
Which statement correctly compares Q with P?
Q has a lower heart attack percentage and a lower side-effect percentage.
Q has a lower heart attack percentage but a higher side-effect percentage.
Q has a higher heart attack percentage but a lower side-effect percentage.
Q has a higher heart attack percentage and a higher side-effect percentage.
44 exam-style questions on Edexcel GCSE Biology 5.4 Non-communicable diseases, covering 5.4.1 Interaction of factors in non-communicable disease, 5.4.2 Lifestyle factors and non-communicable disease, and 5.4.3 Treatments for cardiovascular disease. Each one has a worked solution and a mark scheme showing where the marks go.