Nailfold Capillaroscopy in Rheumatic Diseases: Which Parameters Should Be Evaluated?

Table 4

Capillary length and width scoring systems.

Reference	Points	Length of capillary loops per mm
Redisch et al. [59]; Kabasakal et al. [54]; Ingegnoli et al. [17]	0	Normal (<300 m)
	1	Slightly elongated
	2	Moderately elongated
	3	Markedly elongated
Reference	Points	Capillary width per mm
Lee et al. [89]; Ingegnoli et al. [17]	0	Normal (<25 to 50 μm)
	1	Normal (<25 to 50 m)
	2	Definitely widened (90 to 150 m)
	3	Giant capillaries (>150 m)