Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

120 questions · 120 findings · 13 reviews · Gut

No studies found 19 · 15.8%GRADE not reported 17 · 14.2%Very low 50 · 41.7%Low 26 · 21.7%Moderate 8 · 6.7%High 0 · 0%

Synbiotics and paraffin vs paraffin

Global assessment of treatment success · children with chronic constipation without a physical explanation

It is very uncertain whether synbiotics and paraffin changes global improvement or treatment success, as defined by primary studies compared with paraffin (very low certainty).

1 finding from 1 review

Probiotics vs placebo

Global improvement or treatment success, as defined by primary study · children with chronic constipation without a physical explanation

Probiotic may leads to higher global improvement/treatment success as defined by primary study compared with placebo (low certainty).

1 finding from 1 review

Synbiotic vs paraffin

Global assessment of treatment success · children with chronic constipation without a physical explanation

It is very uncertain whether synbiotics changes global improvement or treatment success, as defined by primary studies compared with paraffin (very low certainty).

1 finding from 1 review

Probiotics vs placebo

Withdrawals due to adverse events · children with chronic constipation without a physical explanation

Probiotic showed no clear difference in withdrawals due to adverse events compared with placebo (low certainty).

1 finding from 1 review

Probiotic + 5‐aminosalicylic acid (5‐ASA) (mesalazine) vs 5‐aminosalicylic acid (5‐ASA) (mesalazine)

Clinical relapse · Patients with quiescent ulcerative colitis

It is very uncertain whether probiotic + 5‐aminosalicylic acid (5‐ASA) (mesalazine) changes clinical relapse (12 to 52 weeks) compared with 5‐ASA (mesalazine) (very low certainty).

1 finding from 1 review

Probiotic + 5‐aminosalicylic acid (5‐ASA) (mesalazine) vs 5‐aminosalicylic acid (5‐ASA) (mesalazine)

Maintenance of clinical remission · Patients with quiescent ulcerative colitis

Probiotic + 5‐aminosalicylic acid (5‐ASA) (mesalazine) showed no clear difference in maintenance of clinical remission (24 to 52 weeks) compared with 5‐ASA (mesalazine) (low certainty).

1 finding from 1 review

Probiotic + 5‐aminosalicylic acid (5‐ASA) (mesalazine) vs 5‐aminosalicylic acid (5‐ASA) (mesalazine)

Withdrawals due to adverse events · Patients with quiescent ulcerative colitis

It is very uncertain whether probiotic + 5‐aminosalicylic acid (5‐ASA) (mesalazine) changes withdrawal due to adverse events (12 to 52 weeks) compared with 5‐ASA (mesalazine) (very low certainty).

1 finding from 1 review

Intervention not reported

Incidence of AAD · Children receiving antibiotic treatment between 4 and 28 days duration for a variety of infections

The intervention probably leads to lower incidence of AAD (moderate certainty).

1 finding from 1 review

Intervention not reported

Adverse events · Children receiving antibiotic treatment between 4 and 28 days duration for a variety of infections

The intervention showed no clear difference in adverse events (low certainty).

1 finding from 1 review