H. pylori Eradication Success Probability Calculator

Estimate H. pylori eradication probability based on regimen choice, clarithromycin resistance rates in region, compliance, and prior treatment history. First-line quadruple therapy achieves 85–95% in low-resistance areas.

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Estimate H. pylori eradication probability based on regimen choice, clarithromycin resistance rates in region, compliance, and prior treatment history. First-line quadruple therapy achieves 85–95% in low-resistance areas

Each component has a specific meaning:

  • Regimen choice — The regimen choice recorded for the scenario being assessed.
  • Clarithromycin resistance rates in region — The clarithromycin resistance rates in region recorded for the scenario being assessed.
  • Compliance — The compliance recorded for the scenario being assessed.
  • Prior treatment history — The prior treatment history recorded for the scenario being assessed.

Note: Interpret the h. pylori eradication result against the thresholds and context described above.

How to Use

Enter the regimen choice, clarithromycin resistance rates in region, compliance, prior treatment history for the scenario you are assessing. Estimate H. pylori eradication probability based on regimen choice, clarithromycin resistance rates in region, compliance, and prior treatment history. First-line quadruple therapy achieves 85–95% in low-resistance areas. Use the h. pylori eradication result to inform your calculation.

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