Figure 2From: Immunophenotyping in post-giardiasis functional gastrointestinal disease and chronic fatigue syndrome NK-cell levels and symptoms correlations. Correlation plots between the percentage of peripheral blood CD16CD56 NK-cells and fatigue symptom score (A) as recorded by the fatigue questionnaire [30] and total abdominal symptoms score (B) (including the six symptoms nausea, early satiety, bloating, abdominal pain, constipation and diarrhoea, where patients graded their symptoms on an ordinal scale from 0 to 10 with 0 = no symptoms and 10 = severe symptoms).Back to article page