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Table 3 The quality assessment by NOS scale

From: Prepulse inhibition in patients with bipolar disorder: a systematic review and meta-analysis

  The Case Definition Representativeness of the Cases Selection of Controls Definition of Controls Comparability(a) Comparability (b) Exposure (1) Exposure (2) Exposure (3)a
Sanchez-Morla, E. M. et al. 2016 * *   * * * * *  
Gogos, A. et al. 2009 * * * * * * * *  
Giakoumaki, S. G. et al. 2007 * * * * * * * *  
Barrett, S. L. et al. 2005 * * * * * * * *  
Rich, B. A. et al. 2005 *    * * * * *  
  1. NOS Newcastle-Ottawa Scale, aWhen the chi-square test is greater than 0.05, it indicates that the non-response rate between the two groups has no significant significanc e[38]
  2. Comparability: confounding factors included age, sex, race, years of education and smoking status