This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.

• Pediatric Appendicitis Score (PAS)

  Eight criteria from history, examination, and blood count, 0–10 points, thresholds according to Samuel 2002

• pARC – Pediatric Appendicitis Risk Calculator

  Probability of appendicitis (5–18 years) from sex, age, duration of pain, findings and neutrophil count (Kharbanda 2018)

• Alvarado score (MANTRELS)

  Eight items (0–10 points) for the likelihood of acute appendicitis – 5–6 compatible, 7–8 probable, 9–10 very probable

• PUCAI – Pediatric Ulcerative Colitis Activity Index

  Six clinical items (0–85 points): remission < 10, mild 10–34, moderate 35–64, severe ≥ 65

• PCDAI – Pediatric Crohn's Disease Activity Index

  Eleven items from history, examination and laboratory (0–100 points) with the cutoffs according to Turner 2010

• wPCDAI – weighted PCDAI

  Eight weighted items without growth, abdominal findings, and hematocrit (0–125 points; Turner 2012)

• PELD score (2002)

  Pediatric End-Stage Liver Disease from bilirubin, INR, albumin, age < 1 year and growth failure (McDiarmid 2002)

• PELD-Cr (OPTN 2023)

  Current PELD with creatinine, continuous age, and growth z-score (Hsu 2021; OPTN since July 13, 2023)

• Stool Osmotic Gap

  290 − 2 × (Na + K) in stool water: > 125 osmotic, < 50 secretory

• Clinical Dehydration Scale (CDS)

  General condition, eyes, mucous membranes, tears (0–8 points) in gastroenteritis from 1 month to 5 years

• DHAKA Dehydration Score

  General condition, respiration, skin turgor, tears (0–12 points) in children under 5 years with diarrhea (Levine 2015)

• NIRUDAK – dehydration from age 5 years

  Probability of no, mild and severe dehydration in diarrhea from 5 years of age – simplified (3 signs) or full model (Levine 2021)

• Rome IV criteria: functional constipation

  Criteria for infants and toddlers up to 4 years (Benninga 2016) and for children from 4 years (Hyams 2016)

• Rome IV criteria: infant regurgitation

  Regurgitation ≥ 2 times daily for ≥ 3 weeks without warning signs in healthy infants aged 3 weeks to 12 months

• Rome IV criteria: infant dyschezia

  At least 10 minutes of straining and crying before soft stool in healthy infants under 9 months

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