Comparative Study on the Effect of Zinc and Probiotic Therapy Versus Zinc Supplementation Alone on the Duration of Acute Watery Diarrhea in Children

In simple terms

This study gave some kids extra probiotics along with zinc and fluids, and others just zinc and fluids. The kids who got probiotics got better faster. But we can't say for sure the probiotics caused it because the doctors and parents might have treated them differently without knowing who got what.

48%

Analysis score

48/ 90

Maximum 90 for a randomized controlled trial.

Where the score came from

Reporting0

Methodology64

Publication100

Statistical23

Study type (basis of the score)

Randomized Controlled Trial

Level 1b - Individual RCT

What’s the bottom line?

Kids with bad tummy bugs got either zinc pills and special drink, or zinc, drink, and a probiotic pill too. The ones with the probiotic pill got better quicker.

Where does this study sit?

Reviews of RCTs (Meta-analyses)

Max 100

Randomized Trials

Max 90

Reviews of Cohort Studies

Max 85

Cohort Studies

Max 72

Reviews of Case-Control Studies

Max 63

Case-Control Studies

Max 58

Cross-Sectional & Case Series

Max 50

Expert Opinion

Max 5

StrongerWeaker

Randomized Trials

Level 1b

48 / 100

Quality score

Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.

Can establish causation

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Key takeaways

Summary

Based on the study abstract and findings.

1Yes — getting better almost 7.5 hours faster means less discomfort, fewer doctor visits, and lower risk of dehydration.
2Kids without probiotic: 31.35 hours of diarrhea.
3Kids with probiotic: 24.08 hours of diarrhea.

Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data