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Table 3 Frequency analysis of participant allocation to each treatment group

From: The effectiveness of ENAR®for the treatment of chronic neck pain in Australian adults: a preliminary single-blind, randomised controlled trial

Treatment Groups
   Frequency Percent Valid Percent Cumulative Percent
Valid ENAR 9 37.5 37.5 37.5
  TENS 7 29.2 29.2 66.7
  SHAM 8 33.3 33.3 100.0
  Total 24 100.0 100.0