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

Table 6

Scoring systems for avascular areas.

Reference	Points	Avascularity per mm
Cutolo et al. [74]	0	No avascular areas
Terreri et al. [48]	1	Mild (1 to 2 avascular areas)
Kabasakal et al. [54]	2	Moderate loss of capillaries (>2 avascular areas)
Ingegnoli et al. [17]	3	Severe (large and confluent avascular areas)
Anders et al. [73]	1	Less than 1 to 3 capillaries
	2	4 to 6 capillaries
	3	More than 6 capillaries
Hofstee et al. [46]	1	None (loss of 2 or more consecutive capillaries)
	2	Moderate (loss of 2 to 4 consecutive capillaries)
	3	Severe (loss of >4 consecutive capillaries, or >2 areas with loss of >2 capillaries)