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. 2025 Jul 12;24:285. doi: 10.1186/s12933-025-02840-3

Table 5.

Safety analysis (Numbers needed to Harm)

Outcome Number of Studies Numbers Needed to Harm (95% Confidence Interval)
Gastrointestinal
Gastrointestinal side effects 8 NNTH 8 (NNTH 5 to NNTH 21)
Nausea 12 NNTH 8 (NNTH 5 to NNTH 14)
Vomiting 9 NNTH 12 (NNTH 7 to NNTH 25)
Diarrhea 12 NNTH 20 (NNTH 11 to NNTH 53)
Constipation 4 NNTH 21 (NNTH 12 to NNTH 46)
Endocrinology
Minor hypoglycaemic events 2 NNTH 36 (NNTH 18 to NNTH 113)
Symptomatic hypoglycaemic events 3 NNTH 22 (NNTH 10 to NNTH 113)
Severe symptomatic hypoglycaemic events 7 NNTH 2307 (NNTH 82 to ∞ to NNTB 125)
Neurology
Dizziness 4 NNTH 60 (NNTH 27 to NNTH 848)
Headache 6 NNTH 152 (NNTH 45 to ∞ to NNTB 162)
Hepatobiliary
Overall pancreatitis s5 NNTH 1743 (NNTH 368 to ∞ to NNTB 1612)
Acute Pancreatitis 5 NNTH 2550 (NNTH 523 to ∞ to NNTB 436)
Cholelithiasis 2 NNTH 459 (NNTH 132 ∞ to NNTB 670)
Rheumatology
Severe allergic reactions 3 NNTH 425 (NNTH 42 to ∞ to NNTB 105)
Hypersensitivity syndrome or symptoms 2 NNTB 638 (NNTB 589 to NNTB 695)

When the numbers needed to harm crosses infinity, it means that for the current outcome, no clear harm for the outcome can be seen statistically

Legend: NNTH, Numbers needed to harm; TEAE, Treatment-emergent adverse events; ∞, Infinity;