Table 3.

(PNA)-FISH and CLSM skin studies.

Study ID	# of Patients	# of Healthy Controls	Sample Type	Method	α–Diversity	β–Diversity	Major Findings	NOS
Ring 2017 [19]	24	24	punch biopsy (clinically unaffected HS skin)	PNA-FISH and CLSM examinations	ND	ND	absence of bacterial aggregates at the stratum corneum and in hair follicle—preclinical HS skin; 12% of HS samples categorized as positive; morphologically significant presence of bacterial aggregates in 92% of the healthy controls	7

ND—not determined.