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

Table 7

Capillary distribution scoring systems.

Reference	Points	Capillary distribution per mm
Cheng et al. [77]	Stage A
	0	Regular (100%)
	1	Slight irregularity
	Stage B
	2	Disarranged (<50%)
	3	Disarranged (>50%)
	Stage C
	4	Local paucity
	5	Enlarged loop bordering local paucity
	6	Complete paucity
Cutolo et al. [7]; Ingegnoli et al. [17]	0	Normal distribution (no changes)
	1	Mild disorganization (>33% alterations/mm)
	2	Moderate, disorganization (33 to 66% alterations/mm)
	3	Severe disorganization (>66% alterations/mm)
Hofstee et al. [46]	0	Normal (if there was a regular or slightly disturbed nailfold pattern)
	1	Moderate
	2	Severe