Table 2.

Association of NRS with in-hospital mortality and length of stay in acute care.

	In-Hospital Mortalitya			Length of Stayb
	HR	95% CI	p value	β	95% CI	p value
Model 1
NRS score
<3	Ref.			Ref.
3–4	1.18	0.54–2.59	0.682	1.74	−1.39–4.88	0.275
≥5	1.35	0.66–2.79	0.413	3.69	0.71–6.67	0.016
Model 2
NRS score
<3	Ref.			Ref.
3–4	1.16	0.53–2.55	0.713	1.78	−1.38–4.94	0.268
≥5	1.19	0.58–2.47	0.640	3.78	0.75–6.81	0.015
Age	1.01	0.97–1.04	0.759	0.05	−0.13–0.23	0.603
Male sex	2.49	1.52–4.08	<0.001	0.29	−2.06–2.65	0.805
Model 3
NRS score
<3	Ref.			Ref.
3–4	1.08	0.49–2.38	0.852	1.56	−1.58–4.69	0.328
≥5	1.04	0.49–2.16	0.926	3.22	0.19–6.26	0.037
Age	0.99	0.96–1.04	0.960	0.003	−0.18–0.18	0.972
Male sex	2.42	1.47–3.99	<0.001	0.12	−2.21–2.45	0.919
CIRS-G	1.07	1.02–1.11	0.002	0.22	0.02–0.41	0.029

NRS: Nutritional Risk Screening; HR: Hazard Ratio; CI: Confidence Interval; CIRS-G: Cumulative Illness Rating Scale-Geriatric.

^aCox proportional-hazards models (N = 245); Model 1: univariate; Model 2: adjusted for age and sex and Model 3: adjusted for age, sex and CIRS-G.

^bLinear regression models (N = 173; survivors only); Model 1: univariate; Model 2: adjusted for age and sex and Model 3: adjusted for age, sex and CIRS-G.