Increased Hcy level

No significant changes in Hcy level

Mahtab Moti et al. 2015 [37] (Iran), n = 30, p < 0.001

Sachan Rekha et al. 2014 [23] (India), n = 50, p < 0.001

Murat Yilmaz et al. 2005 [40] (Turkey), n = 50, p < 0.005

TayebeHemati et al. 2011 [25] (Iran), n = 64, p < 0.001

Morey Schacter et al. 2003 [26] (Israel), n = 155, p < 0.0001

Priyanka Maleedhu et al. 2014 [41] (India), n = 142, p << 0.0001

Ali I. Gareeb et al. 2016 [19] (Iraq), n = 101, p < 0.002

Mohamadin et al., 2010 [42] (Saudi Arabia), n = 50, p < 0.001

Karaer et al., 2010 [43] (Turkey), n = 31, p = 0.04

Pamuk et al., 2010 [44] (Turkey), n = 35, p = 0.02

Rajagopal et al., 2011 [38] (India), n = 25,

Kilic-Okman et al., 2004 [27] (Turkey), n = 29, p = 0.001

Sills et al.,2001 [45] (USA), n = 36, p < NS

Morgante et al., 2002 [46] (Italy), n = 20, p < NS

Orio et al., 2003 [47] (Italy), n = 70, p < NS

Mancini et al., 2009 [48] (Italy), n = 20, p < NS

Arikan et al., 2010 [49] (Turkey), n = 31, p < NS

Moini et al., 2011 [50] (Iran), n= 123, p < 0.157