Table 7. Severity assessment of hidradenitis suppurativa (2018).

Score per category	Number of areas involved*	Number of ILOFs	Number of fistulas	Number of new/flared boils in past 4 weeks	NRS of pain (0–10)
0	0	0	0	0	0–1
1	1–2	1–4	1–2	1–2	2–4
2	3–4	5–9	3	3–4	5–6
3	≥5	≥10	≥4	≥5	≥7

ILOF: inflammatory lesions, other than fistulas, NRS: numeric rating scales.

^*Areas: Rt/Lt axilla, Rt/Lt submammary, intermammary/chest, abdominal, mons pubis, Rt/Lt groin left, genital, perianal, Rt/Lt gluteal, and others.