Study II

Study II

Time-sensitive prehospital breathing emergencies

Exploratory machine-learning study of nonlinear patterns in response time, patient characteristics, and high-risk time-sensitive conditions.

Publication

Hill P, Jonsson D, Lederman J, Bolin P, Vicente V. Uncovering nonlinear patterns in time-sensitive prehospital breathing emergencies: an exploratory machine learning study. BMC Medical Informatics and Decision Making. 2025;25:205.

DOI: 10.1186/s12911-025-03046-z

Study aim

The study examined nonlinear and subgroup-specific patterns in prehospital breathing-problem missions, with particular attention to response time, age, sex, and high-risk time-sensitive conditions.

Analytical approach

The study used retrospective EMS data and an exploratory machine-learning approach to inspect associations and heterogeneity. The modelling was used to support interpretation of system patterns, not to make causal or deployment-ready claims.

Patient vulnerability

Breathing-problem missions may include clinically heterogeneous patients with different vulnerability profiles and outcome risks.

Nonlinear patterns

The study investigated patterns that may not be well captured by simple linear assumptions or average response-time summaries.

System interpretation

The findings support a more nuanced view of how response time, patient factors, and clinical urgency interact in EMS data.

The study should be interpreted as exploratory and observational. It supports system learning and hypothesis generation rather than direct causal inference.