From: Country and regional variations in purchase prices for essential cancer medications
Category of Analysis | Independent Variable | Test Performed | Number of Groups |
---|---|---|---|
Geographic | Buyers | Kruskal Wallis H | 19 |
Geographic | Region* | Mann-Whitney U | 2 |
Geographic | GDP (nominal)†| Linear Regression | N/A |
Geographic | All-Cancer Incidence (per 100,000)‡ | Linear Regression | N/A |
Medication | Essential Cancer Medications | Kruskal Wallis H | 43 |
Medication | Essential Medication Categories | Kruskal Wallis H | 3 |
Medication | Medication Formulations | Mann-Whitney U | 2 |
Medication | Pre/Post Generic Approval Date§ | Mann-Whitney U | 2 |
Longitudinal | Year | Kruskal Wallis H | 5 |