Comparison 3. Probiotics versus another active treatment for prevention of diarrhoea induced by radiotherapy (with or without chemotherapy).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Requiring rescue medication for diarrhoea	2	63	Risk Ratio (M‐H, Random, 95% CI)	0.44 [0.22, 0.86]