Number of studies in relation to health expenditure.

<p>Number of studies in relation to health expenditure.</p

Number of studies in relation to population – drugs.

<p>Number of studies in relation to population – drugs.</p

Countries of origin of studies in IQWiG reports.

<p>Countries of origin of studies in IQWiG reports.</p

Appendix 3. Comparison Drug- versus Non-Drug Studies per billion US$ health expenditure.

*<p>Sparse data =  10 or less studies in either of the two groups.</p><p>Difference in ranks minor: 0 – 10; moderate10 – 20; large ≥ 20.</p

Number of studies in relation to health expenditure – drugs.

<p>Number of studies in relation to health expenditure – drugs.</p

Appendix 2. Reports excluded.

<p>Appendix 2. Reports excluded.</p

Number of studies in relation to Gross Domestic Product.

<p>Number of studies in relation to Gross Domestic Product.</p

Number of studies in relation to population – non-drug interventions.

<p>Number of studies in relation to population – non-drug interventions.</p

Countries of origin of studies in IQWiG reports – drugs.

<p>Countries of origin of studies in IQWiG reports – drugs.</p

Number of studies in relation to Gross Domestic Product – non-drug interventions.

<p>Number of studies in relation to Gross Domestic Product – non-drug interventions.</p