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Table 6 Results of RMDQ in different international researches

From: Assessment of health-related quality of life and patient’s knowledge in chronic non-specific low back pain

Author/Year of publication Place of the research Sample size (N) RMDQ sum value (standard deviation)
van Helvoirt et al 2014 [37] Netherlands 69 7.00–15.40
Ghadyani et al 2016 [38] Iran 136 5.95–6.37
Takahashi et al 2016 [39] Japan 102 6.68(1.57)-9.52(1.60)