Table 4.

Multivariable model risk factors for 90-day survival among elderly hospital admissions with known C. difficile colonization status (retaining variables with p < 0.05 in the univariable analyses).

Characteristic	Odds ratio	95% C.I.	p-value
C. difficile colonised	0.61	0.26–1.46	0.27
Male gender	0.46	0.26–0.84	0.01
Hospital stay in last 3 months	0.64	0.35–1.18	0.15
Admitted NOT from own home	0.46	0.24–0.89	0.02
Waterlow (per point higher)	1.02	0.96–1.08	0.6
Charlson (per point higher)	0.84	0.72–0.97	0.02
Barthel (per point lower)	1.04	0.99–1.10	0.12
High risk of malnutrition (MUST ≥2)	0.41	0.21–0.81	0.01

Bold value signifies p-value <0.05.