Main variables and coding
| Symptomatic PAOD | Primary inpatient diagnosis, ICD-10 GM, before 2015 | ICD-10 GM, since 2015 |
| Fontaine II: intermittent claudication | I70.21 | I70.21, I70.22 |
| Fontaine III: rest pain | I70.22 | I70.23 |
| Fontaine IV: ulceration and gangrene | I70.23, I70.24 | I70.24, I70.25 |
| Main pharmacological therapy groups | Description | German ATC |
| Lipid-lowering drugs | HMG CoA reductase inhibitors, fibrates, bile acid sequestrants, nicotinic acid and derivatives | C10 |
| Antithrombotics | VKA, heparins, platelet aggregation inhibitors, enzymes, direct thrombin inhibitors, direct factor Xa inhibitors | B01 |
| Blood pressure-lowering drugs | Antihypertensives, diuretics, beta-blocking agents, calcium channel blockers, agents acting on the renin-angiotensin system | C02, C03, C07, C08, C09 |
ATC, anatomical therapeutic chemical classification; HMG CoA, 3-hydroxy-3-methyl-glutaryl-coenzyme A reductase; ICD GM, International classification of diseases German modification; PAOD, peripheral arterial occlusive disease; VKA, Vitamin K antagonists.