Study	Reason for exclusion
Alora 1999	Not randomised
Conrad 1995	Not randomised
Dinsdale 2014	The study included face and legs telangiectasias and did not separate the results
Gillet 2017	Not randomised and CEAP ‐ C4, C5 and C6
McDaniel 1999	Not randomised
Omura 2003	Not randomised
Sadick 2003	Not randomised
Spendel 2002	Only KTP laser (532 nm) in different vessel diameters
Weiss 1990	Not randomised
Woo 2003	Not randomised

CEAP: Clinical, Etiological, Anatomical and Pathophysiological (CEAP) classification system for chronic venous disorders
KTP: potassium titanyl phosphate