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Table 2 Comparison of the ICHM-group with the CM-group. Comparison of the ICHM-groupa with the CM-groupa on use of health care services and functional status during 1 year after hospitalization for patients aged 60 years and older. (CM: 119 patients. ICHM: 209 patients)d

From: Effectiveness of an intermediate care hospital on readmissions, mortality, activities of daily living and use of health care services among hospitalized adults aged 60 years and older—a controlled observational study

Variable

Municipality

Crude mean (SD)

Adj. mean (95 % CI)

Adj. mean diff. (95 % CI)

p-value

Use of hospital care

     

Mean number of hospital admissions during 3 months

CM

1.55 (1.01)

1.52 (1.34 to 1.70)

−0.09 ( −0.31 to 0.14)

0.446

 

ICHM

1.58 (1.04)

1.61 (1.47 to 1.74)

  

Mean number of hospital admissions during 1 year

CM

2.25 (2.06)

2.18 (1.79 to 2.56)

−0.41 ( −0.89 to 0.07)

0.092

 

ICHM

2.54 (2.26)

2.59 (2.30 to 2.87)

  

 - Acute admissions during 3 months

CM

0.40 (0.87)

0.38 (0.23 to 0.52)

−0.06 ( −0.25 to 0.12)

0.481

 

ICHM

0.43 (0.80)

0.44 (0.33 to 0.55)

  

 - Acute admissions during 1 year

CM

0.92 (1.97)

0.86 (0.52 to 1.19)

−0.37 ( −0.80 to 0.05)

0.085

 

ICHM

1.19 (1.92)

1.23 (0.98 to 1.48)

  

Proportion of patients with readmissions within 30 days

CM

0.15 (0.36)

0.14 (0.08 to 0.20)

−0.01 ( −0.09 to 0.08)

0.901

 

ICHM

0.14 (0.35)

0.15 (0.10 to 0.19)

  

Mean number of readmission incidents (within 30 days) during 1 year

CM

0.44 (1.42)

0.39 (0.15 to 0.63)

−0.20 ( −0.50 to 0.10)

0.195

 

ICHM

0.56 (1.29)

0.59 (0.41 to 0.77)

  

Mean number of hospital days during 3 months

CM

12.67 (11.93)

12.58 (10.83 to 14.33)

3.81 (1.61 to 6.01)

0.001

 

ICHM

8.67 (8.82)

8.77 (7.46 to 10.08)

  

Mean number of hospital days during 1 year

CM

18.07 (23.85)

17.67 (14.41 to 20.94)

4.19 (0.08 to 8.31)

0.046

 

ICHM

13.15 (14.82)

13.48 (11.03 to 15.93)

  

Mean length of hospital stay during 1 year (days)

CM

7.71 (5.88)

7.74 (6.88 to 8.60)

2.39 (1.31 to 3.47)

<0.001

 

ICHM

5.35 (4.31)

5.36 (4.71 to 6.00)

  

Total care days

     

Mean number of total days with institutional care during 1 yearb

CM

32.40 (44.05)

32.57 (25.05 to 40.08)

1.99 ( −7.46 to 11.45)

0.679

 

ICHM

30.41 (42.24)

30.57 (24.94 to 36.21)

  

Use of primary health care

     

Mean number of hour-based primary health care service during 3 months

CM

25.72 (56.60)

26.38 (17.13 to 35.63)

2.49 ( −9.16 to 14.13)

0.675

 

ICHM

24.03 (57.95)

23.89 (16.95 to 30.83)

  

Mean number of hour-based primary health care service during 1 year

CM

87.36 (175.89)

88.05 (56.28 to 119.82)

−0.76 ( −40.75 to 39.23)

0.970

 

ICHM

88.36 (220.09)

88.81 (64.98 to 112.64)

  

Mean number of days in institutional primary health care during 3 months

CM

6.27 (18.41)

6.80 (4.49 to 9.12)

0.51 ( −2.41 to 3.42)

0.732

 

ICHM

6.54 (10.13)

6.29 (4.56 to 8.03)

  

Mean number of days in institutional primary health care during 1 year

CM

11.49 (33.04)

12.19 (6.23 to 18.15)

−1.77 ( −9.27 to 5.73)

0.643

 

ICHM

14.24 (34.37)

13.96 (9.49 to 18.43)

  

 - Mean number of days in nursing home (long-term)

CM

1.80 (13.15)

1.90 ( −1.65 to 5.45)

−1.10 ( −5.57 to 3.37)

0.627

 

ICHM

3.03 (22.07)

3.00 (0.34 to 5.66)

  

 - Mean number of days in ICH

CM

0.00 (0.00)

0.15 ( −1.55 to 1.85)

−8.53 ( −10.67 to −6.39)

<0.001

 

ICHM

8.72 (12.07)

8.68 (7.41 to 9.96)

  

ADLc

     

Mean functional status at 3 months

CM

1.51 (0.52)

1.53 (1.46 to 1.60)

−0.01 ( −0.11 to 0.08)

0.762

 

ICHM

1.55 (0.48)

1.54 (1.49 to 1.60)

  

Mean functional status at 6 months

CM

1.52 (0.56)

1.53 (1.45 to 1.61)

0.00 ( −0.11 to 0.10)

0.945

 

ICHM

1.54 (0.49)

1.53 (1.47 to 1.59)

  
  1. Analysis with ANCOVA adjusted for age, gender, number of diagnoses at index hospital stay, functional status at index hospital stay and having primary health care services at index hospital stay (yes/no)
  2. aCM Comparative municipality, ICHM Intermediate care hospital municipality, ICH Intermediate care hospital
  3. bMean number of total days with institutional care = In-patient stays at hospital, primary health care, ICH and specialized rehabilitation
  4. cADL = Activities of daily living assessed with IPLOS (a national registration system with 17 ADL variables)
  5. dAt index hospital stay patients with missing functional status were 1 in the CM and 1 in the ICHM. At 3 months the number of patients was six and seven, respectively and at 6 months it was eight and 18