This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.
Pittsburgh Infant Brain Injury Score (PIBIS)
Skin findings, age, head circumference and hemoglobin in well-appearing infants with a suspicious symptom – from 2 points consider imaging of the head (Berger 2016)
Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.
Frequently asked questions
Pittsburgh Infant Brain Injury Score (PIBIS): What does this calculator compute?
Pittsburgh Infant Brain Injury Score (Berger 2016) for well-appearing infants aged 30 to 364 days without fever and without reported trauma, with a symptom that may indicate brain injury: abnormal skin finding 2 points, age from 3 months, head circumference above P85 and hemoglobin below 11.2 g/dl 1 point each. From 2 points sensitivity 93.3 %, specificity 53 % for abnormal imaging (CT or MRI) – indication of possible abuse with head injury. With reservations: external data clearly weaker.
Pittsburgh Infant Brain Injury Score (PIBIS): Which sources is this calculator based on?
Berger RP, Fromkin J, Herman B, et al.: Validation of the Pittsburgh Infant Brain Injury Score for Abusive Head Trauma (Pediatrics 138:e20153756) (2016); Grain A, et al.: External validation of the Pittsburgh Infant Brain Injury Score (Arch Pediatr 32:157–162) (2025)