Intervention | Quality of | Benefit/ | Strength of |
evidence | harm | recommendation | |
• Take a symptom history | Low | Net benefit | Definitive |
• Assess psychosocial factors | Low | Net benefit | Definitive |
• Physical examination | Low | Net benefit | Definitive |
• Check for alarm symptoms | Moderate | Net benefit | Definitive |
• Investigations | |||
FBC | Moderate | Net benefit | Definitive |
EMA | Moderate | Trade-offs | Qualified |
Lactose breath hydrogen | Moderate | Net benefit | Qualified |
test | |||
Colonoscopy | Moderate | Trade-offs | Qualified |
Abdominal ultrasound | Low | Trade-offs | Qualified |
EMA, endomysial antibodies; FBC, full blood count.