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Table 1 Prevalence of chronic disease by disease count (April 1, 2009) and number of ambulatory health care visits for Primary Care and Specialist physicians made between April 1, 2008 and March 31, 2010 (N=28,450,000)

From: The impact of multiple chronic diseases on ambulatory care use; a population based study in Ontario, Canada

Number of chronic diseases

Prevalence

Primary health care

Specialist

  

Number of visits*

% of all ambulatory visits

Number of visits*

% of all ambulatory visits

0

57.8%

7,830,000

27.6%

3,640,000

12.8%

1

26.3%

5,940,000

20.9%

2,750,000

9.7%

2

10.3%

3,240,000

11.4%

1,600,000

5.6%

3

3.7%

1,390,000

4.9%

737,000

2.6%

4

1.3%

568,000

2.0%

315,000

1.1%

5

0.4%

199,000

0.7%

117,000

0.4%

6+

0.2%

73,100

0.3%

51,000

0.2%

  1. *Analysis based on a 25% random sample of the total study population.