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Table 4 Post hoc analysis. Comparison of the ICHM-ICH group with the CM-group. Comparison of the ICHM-ICHa with the CM-groupa on use of health care services and functional status during one year after hospitalization for patients aged 60 years and older. (CM: 119 patients. ICHM-ICH: 110 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)

1.53 (1.35 to 1.72)

−0.05 ( −0.32 to 0.22)

0.720

 

ICHM-ICH

1.56 (1.03)

1.58 (1.39 to 1.78)

  

Mean number of hospital admissions during 1 year

CM

2.25 (2.06)

2.26 (1.88 to 2.63)

−0.19 ( −0.74 to 0.37)

0.512

 

ICHM-ICH

2.45 (2.11)

2.44 (2.05 to 2.83)

  

 - Acute admissions during 3 months

CM

0.40 (0.87)

0.41 (0.25 to 0.56)

−0.02 ( −0.25 to 0.20)

0.839

 

ICHM-ICH

0.44 (0.81)

0.43 (0.27 to 0.59)

  

 - Acute admissions during 1 year

CM

0.92 (1.97)

0.96 (0.61 to 1.30)

−0.20 ( −0.70 to 0.31)

0.449

 

ICHM-ICH

1.20 (1.85)

1.15 (0.80 to 1.51)

  

Proportion of patients with readmissions within 30 days

CM

0.15 (0.36)

0.15 (0.09 to 0.22)

0.03 ( −0.07 to 0.12)

0.586

 

ICHM-ICH

0.14 (0.34)

0.13 (0.06 to 0.19)

  

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

CM

0.44 (1.42)

0.43 (0.18 to 0.69)

−0.16 ( −0.54 to 0.22)

0.419

 

ICHM-ICH

0.59 (1.36)

0.59 (0.32 to 0.86)

  

Mean number of hospital days during 3 months

CM

12.67 (11.93)

12.62 (10.62 to 14.62)

3.75 (0.79 to 6.71)

0.013

 

ICHM-ICH

8.75 (10.47)

8.87 (6.80 to 10.95)

  

Mean number of hospital days during 1 year

CM

18.07 (23.85)

18.08 (14.41 to 21.73)

4.99 ( −0.43 to 10.42)

0.071

 

ICHM-ICH

12.98 (15.47)

13.08 (9.28 to 16.88)

  

Mean length of hospital stay during 1 year (days)

CM

7.71 (5.88)

7.76 (6.77 to 8.75)

2.33 (0.86 to 3.80)

0.002

 

ICHM-ICH

5.45 (5.36)

5.43 (4.41 to 6.46)

  

Total care days

     

Mean number of total days with institutional care during 1 yearb

CM

32.40 (44.05)

34.58 (25.94 to 43.23)

−0.50 ( −13.32 to 12.32)

0.939

 

ICHM-ICH

37.18 (51.10)

35.08 (26.11 to 44.06)

  

Use of primary health care

     

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

CM

25.72 (56.60)

30.61 (20.21 to 41.00)

0.34 ( −15.06 to 15.74)

0.966

 

ICHM-ICH

35.28 (66.77)

30.27 (19.48 to 41.05)

  

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

CM

87.36 (175.89)

105.39 (71.55 to 139.24)

0.16 ( −50.01 to 50.32)

0.995

 

ICHM-ICH

123.79 (247.55)

105.24 (70.11 to 140.36)

  

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

CM

6.27 (18.41)

7.81 (5.08 to 10.53)

−2.16 ( −6.21 to 1.88)

0.293

 

ICHM-ICH

11.56 (11.36)

9.97 (7.14 to 12.80)

  

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

CM

11.49 (33.04)

13.89 (6.89 to 20.89)

−5.52 ( −15.89 to 4.86)

0.296

 

ICHM-ICH

21.87 (43.24)

19.40 (12.14 to 26.67)

  

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

CM

1.80 (13.15)

2.02 ( −2.27 to 6.31)

−3.10 ( −9.47 to 3.26)

0.338

 

ICHM-ICH

5.35 (29.99)

5.12 (0.67 to 9.58)

  

 - Mean number of days in ICH

CM

0.00 (0.00)

0.08 ( −1.39 to 1.55)

  
 

ICHM-ICH

12.95 (11.25)

12.86 (11.34 to 14.39)

−12.79 ( −14.96 to −10.61)

<0.001

ADLc

     

Mean functional status at 3 months

CM

1.51 (0.52)

1.59 (1.50 to 1.67)

−0.05 ( −0.17 to 0.07)

0.410

 

ICHM-ICH

1.72 (0.55)

1.64 (1.55 to 1.72)

  

Mean functional status at 6 months

CM

1.52 (0.56)

1.57 (1.48 to 1.66)

−0.05 ( −0.19 to 0.08)

0.444

 

ICHM-ICH

1.69 (0.53)

1.63 (1.53 to 1.72)

  
  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-ICH Patients in the ICHM discharged directly to the 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 0 in the ICHM-ICH. At 3 months the number of patients was six and three, respectively and at 6 months it was eight and 11