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Table 3 Estimates of the average number of annual clinic visits associated with minimum hospitalisations for demographic and disease groups, using two quadratic models, Northern Territory, 2007-2011

From: The relationship between number of primary health care visits and hospitalisations: evidence from linked clinic and hospital data for remote Indigenous Australians

Group

Optimal clinic visits

Goodness-of-fit (χ2)

 

Spline model

Quadratic model

Spline model

Quadratic model

Total

4

15

1284.3*

4381.5*

Female

5

16

1322.4*

2360.0*

Age 40+ years

9

24

2117.3*

2542.2*

PAH

2

17

1477.2*

3127.3*

Adult chronic diseases

    

Diabetes

23

28

2929.7#

4599.1#

IHD

27

28

3169.3#

4066.8#

COPD

22

20

2998.0#

3586.3#

Renal disease

30

29

2848.8#

7696.8#

Hypertension

20

25

2913.1#

5292.8#

Child health conditions (age < 15)

   

Respiratory infection

3

12

44.4*

532.1*

Rheumatic heart disease

6

20

30.6*

35.9*

Gastroenteritis

4

17

46.0*

162.9*

Malnutrition

2

11

49.8*

114.3*

Dental

5

8

28.3*

112.0*

Otitis media

5

8

91.6*

336.9*

  1. Notes: # P < 0.01; * P > 0.95; COPD = chronic obstructive pulmonary disease; PAH = potentially avoidable hospitalisation [23]; χ2 = chi-square.
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BMC Health Services Research

ISSN: 1472-6963

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