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Table 1 Qualitative sampling matrix

From: Acupuncture for irritable bowel syndrome: A protocol for a pragmatic randomised controlled trial

Baseline IBS Score Preferred Acupuncture Preferred Other Total
  Male Female Male Female Male Female
Mild - Moderate 3-4 3-4 3-4 3-4 6-8 6-8
Severe 3-4 3-4 3-4 3-4 6-8 6-8
Total 6-8 6-8 6-8 6-8 12-16 12-16