Beneficial effect of probiotics supplements in reflux esophagitis treated with esomeprazole: A randomized controlled trial

Figure 4 Forest plot for Cox proportional hazards model applied to the followed patients. Probiotics refers to esomeprazole 20 mg b.i.d. and live combined Bacillus subtilis and Enterococcus faecium enteric-coated capsules 500 mg t.i.d. treatment; placebo refers to esomeprazole 20 mg b.i.d. and placebo treatment. ^aP < 0.05; ^bP < 0.01; ^cP < 0.001. RDQ: Reflux disease questionnaire; AIC: Akaike information criterion.