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Table 1 Baseline characteristics and outcomes of the patients (n = 2188)

From: Frailty Index and functional level upon admission predict hospital outcomes: an interRAI-based cohort study of older patients in post-acute care hospitals

 

n

%

Female

1499

68.5

Age (years)

 70–79.9

498

22.8

 80–89.9

1234

56.4

  ≥ 90

456

20.8

Age (years) mean (SD)

84.7

(6.3)

Usual residence

 Own home

1959

89.5

 Nursing home/long-term care

229

10.5

Chronic diseases

 Alzheimer’s disease

737

33.7

 Other memory disorder

217

9.9

 Alzheimer’s disease and other memory disorder

50

2.3

 Congestive heart failure

685

31.3

 Coronary heart disease

572

26.1

 Diabetes

528

24.1

 Cancer

325

14.9

 Stroke/cerebrovascular accident

228

10.4

 Depression

209

9.6

 COPD

156

7.1

 Parkinson’s disease

59

2.7

Independent in Activities of Daily Living

 Bathing

316

14.4

 Personal hygiene

572

26.1

 Dressing

649

29.7

 Toilet use

859

39.3

 Transfer to toilet

1003

47.5

 Walking

1014

46.3

 Bed mobility

1039

47.5

 Eating

1726

78.9

Primary mode of locomotion at the hospital

 Walking, no assistive device

245

11.2

 Walking, with assistive device

1328

60.7

 Wheelchair

329

15.0

 Bedridden

286

13.1

Falls

 No falls in last 3 months

1077

49.2

 Fall(s) 1 to 3 months ago

265

12.1

 Fall(s) in last month

846

38.7

Smokes tobacco daily

84

3.8

  < 18.5

192

8.9

 18.5–24.9

997

46.1

 25–29.9

606

28.0

  ≥ 30

370

17.1

Body Mass Index (BMI) kg/m2 a mean (SD)

25.04

(5.4)

Admitted from

 Home

1028

47.0

 Nursing home/long-term care

49

2.2

 Acute care hospital

1111

50.8

Ten most common main hospital discharge diagnosis code groups (ICD-10)

 Diseases of the circulatory system (I)

496

22.7

 Diseases of the nervous system (G)

408

18.6

 Injury, poisoning and certain other consequences of external causes (S or T)

315

14.4

 Mental and behavioural disorders (F)

237

10.8

 Neoplasms or diseases of the blood (C or D)

129

5.9

 Diseases of the musculoskeletal system and connective tissue (M)

128

5.9

 Diseases of the respiratory system (J)

110

5.0

 Diseases of the genitourinary system (N)

100

4.6

 Symptoms and signs, not elsewhere classified (R)

79

3.6

 Endocrine, nutritional and metabolic diseases (E)

69

3.2

Outcomes

 Prolonged hospital stayb (n = 1691)

409

24.2

 Emergency department admission

204

9.3

 In-hospital death

231

10.6

  1. a BMI missing, n = 23
  2. b In patients who were discharged to their usual place of residence (home or nursing home)