Implementation of prehospital point-of-care ultrasound using a novel continuous feedback approach in a UK helicopter emergency medical service

Table 3 Inter-rater reliability (Cohen’s Kappa) between the reviewers and paramedics, physicians and combined population for pericardial effusion, pneumothorax and free fluid

Cohen’s Kappa	Physicians	Paramedics	Combined
Pericardial effusion	0.70	0.14	0.60
Pneumothorax	0.71	0.92	0.67
Free fluid	0.75	0.59	0.71

ISSN: 1757-7241