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Table 2 ICD 9 Clusters recorded for those listed 10 or more times

From: Describing the content of primary care: limitations of Canadian billing data

  Frequency listed as ICD-9 Code IC D-9 code also listed as dominant topic of the visit (%) ICD 9 code also listed as topic requiring most time (%) Number of topics discussed during the visit with this code (Mean) Number of topics discussed during the visit (Range)
General Medical Examination 97 46.4 40.2 3 1-6
Nonpsychotic Depression 48 75.0 64.6 3 1-6
Anxiety/Neuroses 41 43.9 41.5 2 1-6
Hypertension 43 58.1 44.2 2 1-4
Diabetes Mellitus 32 75.0 50.0 4 1-6
Contraception 31 80.6 77.4 2 1-2
Prenatal and Postnatal Care (includes Complicated Pregnancy and Abortion) 21 71.4 71.4 2 1-6
Low Back Pain Diseases and Syndromes (exc acute strains) 21 90.5 76.2 2 1-5
Abdominal Pain (exc pelvic pain) 20 90.0 90.0 2 1-4
Acute Upper Respiratory Infection 10 90.0 70.0 2 1-2
Urinary Tract Infection (exc urethritis) 10 100.0 90.0 2 1-2
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