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Research in China Chin J Nervous Mental Dis. 12:267-268; 2009 has resulted in an elevated SDS cut-off score of 42 being used in many Chinese studies. Research by Dunstan and Scott BMC Psychiatry. 17:329; 2017 in an Australian context, suggested that a greater increase, to a raw score of 44 might be required. Based on this study, an even larger adjustment is required. Specifically, we recommend the use of an SDS raw score of 50 as the cut-off point for clinical significance.
Dunstan et al. (Tue,) studied this question.