Table 1.

Summary of literature reviews on radiofrequency ablation

Study	Type of review	Period covered	Procedure(s) evaluated	AMSTAR score*	AGREE score, %
Guias et al.10	Narrative	NA	RFA, laser, sclerotherapy	0	44.93
Haute Autorité de Santé11	Systematic	January 1997–March 2008	RFA	8	85.51
Perrin12	Narrative	NA	RFA	0	37.68
Uhl5	Narrative	NA	RFA, laser, foam sclerotherapy	0	23.19
Brar et al.13	Meta-analysis	1950–April 2009	RFA, laser	7	47.83
Gohel et al.14	Meta-analysis	January 1970–February 2007	RFA, laser, foam sclerotherapy	5	71.01
Lohr et al.15	Narrative	NA	RFA	2	42.03
Feliciano et al.16	Narrative	NA	RFA, laser, foam sclerotherapy	1	34.78
Kundu et al.17	Narrative	NA	RFA, laser, foam sclerotherapy	0	44.93
Gloviczki et al.18	Clinical practice guidelines	NA	RFA, laser, foam sclerotherapy	4	82.60
McBride19	Systematic	NA	RFA, laser, foam sclerotherapy	5	46.40
Medical Advisory Secretariat20	Systematic	Until March 2010	RFA	8	81.20
Murad et al.21	Meta-analysis	Until February 2008	RFA, laser, foam sclerotherapy	10	69.57
Nesbitt et al.22	Systematic	Until July 2010	RFA, laser, foam sclerotherapy	10	72.46
Anwar et al.23	Narrative	NA	RFA	1	30.43
Siribumrungwong et al.24	Meta-analysis	2000–August 2011	RFA, laser, foam sclerotherapy	10	52.17

AGREE = Appraisal of Guidelines, Research and Evaluation in Europe; AMSTAR = A MeaSurement Tool to Assess systematic Reviews; NA = not available; RFA = radiofrequency ablation.

^*On a scale of 0 to 11.