Efficacy and Safety of Argon Plasma Coagulation for Hemorrhagic Chronic Radiation Proctopathy: A Systematic Review

Table 4

Newcastle-Ottawa Scale for assessing quality of cohort studies.

Quality assessment scale	1	2	3	4	5	6	Total (max = 6)
Ben (2004)							6
Canard (2003)							6
Chruscielewska (2013)							6
Chutkan (1997)							6
Higuera (2006)				-			5
Dees (1999)						-	5
Fantin (2004)							6
Hortelano (2014)							6
Kaassis (2002)							6
Karamanolis (2009)							6
Latorre (2008)							6
Lpoez (2010)							6
Onoyama (2011)							6
Rolachon (2000)							6
Rotondano (2003)							6
Sait (2013)							6
Samy (2012)				-	-		4
Sarah (2001)					-		5
Sato (2011)							6
Sebastian (2004)				-			5
Silva (1999)							6
Smith (2001)					-		5
Swan (2010)							6
Takemoto (2012)							6
Tam (2000)							6
Tjandra (2001)							6
Venkatesh (2002)				-	-		4
Villavicencio (2002)							6
Zinicola (2003)							6

1: representativeness of the exposed cohort; 2: ascertainment of APC exposure; 3: demonstration that outcome of interest was not present at start of study; 4: assessment of outcome; 5: was follow-up long enough for outcomes to occur; 6: adequacy of follow-up of cohorts. Asterisk () indicated one score and hyphen (-) indicated zero score.