“…After these exclusions, 31 studies remained in the present systematic review. Of these studies, three did not report the adjusted HR data (Ho et al, 1997; Kiyono, Hayano, Watanabe, Struzik, & Yamamoto, 2008; Uznańska-Loch et al, 2018); therefore, we finally included 28 eligible studies in the meta-analysis (Ablonskyte-Dudoniene et al, 2012; Al-Zaiti et al, 2014; Anastasiou-Nana et al, 2005; Aronson, Mittleman, & Burger, 2004; Batchvarov et al, 2004; Bonaduce et al, 1999; Bošković et al, 2014; Carpeggiani et al, 2005; Cebula et al, 2012; Cygankiewicz et al, 2015; Erdogan et al, 2008; Gang et al, 2011; Guzzetti et al, 2005; Harris et al, 2014; Hayano et al, 2001; Janszky et al, 2004; Kiviniemi et al, 2007; Krüger et al, 2002; La Rovere et al, 2003; Lanza et al, 1998; Y. Liu et al, 2014; P.…”