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

Table 9

Scoring system for subpapillary venous plexus visibility.

Reference	Points	Subpapillary plexus visualization
Wertheimer and Werthelmer [84]; Terreri et al. [48]	0	Absence of plexus visibility; capillaries only are seen
	1	Doubtful visibility or the occasional presence of a venule parallel to the nailfold
	2	Plexus visible only in restricted areas or throughout the width of the finger but only close to the distal row of capillaries
	3	Plexus visible throughout the width of the finger but not extending proximally, or if extending proximally, not generalized throughout the width of the finger
	4	Plexus visible throughout the width of the finger and proximally
Kabasakal et al. [54]; Ingegnoli et al. [17]	0	Not visible
	1	Doubtful visibility
	2	Plexus visible only in restricted areas
	3	Prominently visible over a wide area