Table S1.

Univariate logistic regression of potential predictor factors for prolonged hospitalization and mortality at the sixth month

Variables	Prolonged hospitalization		Mortality at sixth month
	Unadjusted OR (95% CI)	P-value	Unadjusted HR (95% CI)	P-value
Frailty (Fried’s criteria)	1.48 (0.94–2.31)	0.09	2.72 (1.07–6.89)	0.04
Frailty (REFS)	1.31 (0.82–2.08)	0.26	4.39 (1.73–11.12)	0.002
Age	1.01 (0.99–1.04)	0.27	1.04 (0.98–1.10)	0.18
Female gender	0.70 (0.45–1.09)	0.11	1.26 (0.49–3.26)	0.63
Comorbidities
Hypertension	1.67 (1.04–2.69)	0.04	1.20 (0.43–3.37)	0.73
Chronic kidney disease (GFR <60 mL/min)	0.88 (0.52–1.50)	0.64	0.92 (0.32–2.60)	0.87
Previous stroke	1.45 (0.85–2.46)	0.17	0.50 (0.12–2.18)	0.36
Osteoarthritis	1.38 (0.85–2.26)	0.20	0.77 (0.26–2.35)	0.65
Anemia	1.15 (0.65–2.03)	0.63	2.05 (0.81–5.17)	0.13
Diabetes	0.85 (0.50–1.44)	0.55	0.59 (0.17–2.02)	0.40
COPD	0.75 (0.37–1.51)	0.42	3.20 (1.20–8.52)	0.02
Peripheral vascular disease/aortic atherosclerosis	1.10 (0.45–2.67)	0.84	0.53 (0.07–3.99)	0.54
Heart failure	0.66 (0.25–1.78)	0.41	1.45 (0.33–6.29)	0.62
Ischemic heart disease	0.69 (0.26–1.87)	0.47	0.89 (0.12–6.72)	0.91
Cancer	1.04 (0.33–3.29)	0.95	15.49 (5.05–47.47)	<0.001
Reasons for admission
Stroke	2.20 (1.37–3.54)	0.001	0.14 (0.02–1.07)	0.06
Falls	2.10 (0.35–12.72)	0.42	4.61 (0.61–34.61)	0.14
Dizziness	0.45 (0.20–1.03)	0.06	N/A
Infection	0.85 (0.41–1.78)	0.67	N/A
Musculoskeletal pain	0.43 (0.16–1.13)	0.09	N/A
Shortness of breath	1.04 (0.45–2.39)	0.93	N/A
General unwell	1.30 (0.58–2.92)	0.53	N/A
GI disorders	0.40 (0.09–1.80)	0.23	N/A
Hyper/hypoglycemia	0.56 (0.12–2.56)	0.45	N/A
Chest pain/discomfort	1.17 (0.31–4.50)	0.82	N/A
Urinary incontinence	1.25 (0.24–6.54)	0.79	N/A
Bleeding	0.78 (0.09–7.02)	0.82	N/A
Headache	3.15 (0.44–22.67)	0.25	N/A

Abbreviations: GFR, glomerular filtration rate; GI, gastrointestinal; N/A, not applicable; REFS, Reported Edmonton Frail Scale.