Table 1.

United States, British, and German standards for compression bandages in addition to recommended indications.

United States	German Standard	British Standard	Pressure (mmHg)	Recommended Usage
Light	KK1	3A	<20	Mild C1–3 disease, or unable to tolerate higher grade
Class I	KK2	3B	21–30	C1–C3 disease
Class II	KK3	3C	31–40	More symptomatic C2–C3 disease, C4 or higher, PTS
Class III	KK4	3D	>40	C5–6 disease (if not responding to lower grades)

The pressure range for the German Standard is different (KK1 = 18–21, KK2 = 23–32, KK3 = 34–46, and KK4 ≥ 49 mmHg). C1: Spider or reticular veins, C2: varicose veins, C3: edema, C4: lipodermatosclerosis, pigmentation, eczema, or atrophie blanche, C5: healed venous ulcer, C6: active venous ulcer. PTS: Post-thrombotic Syndrome.