Fig. 1From: Functional decline in geriatric rehabilitation ward; is it ascribable to hospital acquired infection? A prospective cohort studyConceptual framework of the causal structure modelizing mediation. (1) Direct effect of CIRS-G ≥ 2 for respiratory diseases (CIRS-G-R) on activities of daily living (ADL); and (2) indirect effect via acquired pulmonary infection. Legends (A) exposure of interest, (M) mediating factor, (Y) outcomeBack to article page