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

Table 3

Dimensions of capillary parameters reported for healthy adults.

Study (year, country)	Number of; patients	Capillary; length	Intercapillary; distance	Loop; diameter	Internal; diameter	Capillary; width	Apex; width	Venous; limb	Arterial; limb	Reference
Lefford and Edwards (1986, England)	18									[44]
Grassi et al. (1992, Italy)	25									[50]
Kabasakal et al., (1996, England)	38									[54]
Bukhari et al. (1996, England)	10			14	18	36		11	7	[68]
Schiavon et al. (1999, Italy)	26									[10]
Chin et al. (1999, Taiwan)	34									[85]
Bhushan et al. (2000, England)	44									[86]
Bukhari et al. (2000, England)	20			17.2		42.7		15.6	13	[69]
Lambova and Müller-Ladner; (2013, Bulgaria)	34									[1]
Hofstee et al. (2013, Netherlands)	14									[87]
Graceffa et al. (2013, Italy)	30									[88]
Ingegnoli et al. (2013, Italy)	100	237	153.5	18	21	41				[14]
Le and Cho (2014, Korea)	25									[18]