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Table 3 Prevalence (P) co-occuring chronic diseases (%) 1 and the sex and age adjusted odds ratio (OR) for clustering for patients of 55 years and older 2 , LINH 2002–2008

From: Multimorbidity and comorbidity in the Dutch population – data from general practices

  Coronary heart disease Osteoarthritis COPD Chronic neck or back disorder Cancer Stroke Depression Heart failure Anxiety disorder
  P OR P OR P OR P OR P OR P OR P OR P OR P OR
Diabetes mellitus 3.6 1.9*3 2.8 1.1* 2.1 1.3* 2.5 1.3* 1.9 1.1 1.9 1.6* 1.4 1.2* 2.2 1.7* 0.5 1.1
Coronary heart disease    2.5 1.3* 2.2 1.6* 2.3 1.6* 1.8 1.2* 1.5 1.3* 1.3 1.5* 2.8 3.7* 0.4 1.5*
Osteoarthritis      1.7 1.2* 2.8 2.0* 1.7 1.1* 1.2 1.0* 1.4 1.4* 1.6 1.3* 0.4 1.1
COPD        1.5 1.4* 1.4 1.3* 1.0 1.3* 1.0 1.7* 1.9 3.4* 0.4 1.7*
Chronic neck or back disorder          1.4 1.2* 1.0 1.3* 1.2 1.5* 0.9 1.2* 0.5 1.4*
Cancer            0.9 1.0 0.9 1.4* 1.2 1.3* 0.3 1.4*
Stroke              0.8 1.6* 1.2 1.5* 0.2 1.3*
Depression                0.7 1.5* 0.8 5.9*
Heart failure                  0.2 1.5*
  1. 1Prevalence estimates are standardized according to the age and sex distribution in the Dutch population in 2008.
  2. 2 The odds ratio represents the ‘probability’ for co-occurrence of 2 chronic diseases. Two chronic diseases co-occur more frequent than would be expected on basis of independency if the odds ratio is larger than 1.0 and the 95% confidence interval does not include 1.0.
  3. 3 The prevalence of comorbidity of diabetes mellitus and coronary heart disease is 3.6%. Diabetes mellitus and coronary heart disease co-occur significantly more frequent than expected on basis of independency, with an odds ratio of 1.9.
  4. * Co-occurrence of diseases occurred more frequent than expected on basis of independency (p < 0.05).