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. 2017 Mar 9;12(3):e0172935. doi: 10.1371/journal.pone.0172935

Table 3. Prevalence of common diagnosed chronic conditions among patients at GP encounters across three studies.

Knox et al. estimates (2005, n = 9,156) Harrison et al. (2008–09, n = 8,707) Current estimates (2012–16, n = 43,501)
Circulatory 30.0% (28.1–31.7) 31.3% (29.4–33.1) 32.4% (31.5–33.4)
    Hypertension 23.3% (21.8–24.9) 26.6% (24.9–33.1) 26.5% (25.6–27.3)
    Ischaemic Heart Disease 9.5% (8.5–10.5) 8.7% (7.7–9.8) 7.8% (7.4–8.2)
    Cerebrovascular Accident 3.7% (3.0–4.5) 2.9% (2.3–3.5) 2.6% (2.4–2.8)
    Congestive Heart Failure 3.2% (2.7–3.7) 2.9% (2.4–3.4) 2.6% (2.4–2.8)
    Peripheral Vascular Disease 2.0% (1.5–2.5) N/A 1.8% (1.7–2.0)
Musculoskeletal system and connective tissue N/A 26.4 (24.6–28.2) 32.1% (31.1–33.0)
    Any Arthritis 22.8% (21.1–24.5) 19.7% (18.1–21.4) 25.0% (24.1–25.9)
      Rheumatoid 1.0% (0.8–1.2) 1.0% (0.7–1.2) 1.3% (1.2–1.5)
      Osteoarthritis 20.0% (18.3–21.6) 17.8% (16.2–19.4) 22.7% (21.8–23.6)
      Other and unknown N/A 2.0% (1.7–2.4) 2.0% (1.9–2.2)
    Chronic Back Pain 10.1% (9.0–11.1) 6.4% (5.5–7.2) 9.7% (9.2–10.2)
    Osteoporosis N/A 4.8% (4.2–5.5) 5.8% (5.4–6.1)
Endocrine, nutritional and metabolic diseases N/A 30.8% (29.0–32.6) 30.7% (29.9–31.6)
    Hyperlipidaemia 15.9% (14.7–17.2) 18.5% (17.0–20.0) 16.6% (15.9–17.3)
    Diabetes all 8.3% (7.5–9.0) 9.2% (8.3–10.1) 10.4% (10.0–10.8)
      Type 1 0.6% (0.4–0.8) 0.9% (0.6–1.2) 0.9% (0.8–1.0)
      Type 2 7.2% (6.5–7.9) 8.3% (7.5–9.1) 9.6% (9.2–10.0)
Psychological Problems 24.8% (23.2–26.3) 22.1% (20.6–23.7) 26.7% (25.9–27.5)
    Depression 14.2% (13.0–15.4) 13.7% (12.6–14.7) 16.3% (15.8–16.9)
    Anxiety 10.7% (9.6–11.8) 8.3% (7.3–9.4) 11.9% (11.4–12.4)
    Insomnia 5.5% (4.6–6.4) N/A 3.7% (3.4–4.0)
Digestive N/A 14.6% (13.4–15.8) 15.1% (14.5–15.7)
    GORD 13.1% (11.9–14.4) 11.6% (10.5–12.6) 11.3% (10.7–11.8)
Respiratory Disease N/A 13.7% (12.6–14.7) 14.6% (14.1–15.1)
    Asthma 10.7% (9.8–11.6) 9.5% (8.7–10.3) 8.3% (8.0–8.7)
    COAD/COPD 3.6% (3.1–4.2) 4.1% (3.4–4.7) 4.5% (4.2–4.7)
Malignant Neoplasms 3.1% (2.6–3.6) 5.0% (4.4–5.7) 6.2% (5.9–6.5)

Note: GORD = gastro oesophageal reflux disease, COAD/COPD chronic obstructive airways disease/chronic obstructive pulmonary disease

N/A: Result not available due to chronic condition not being measured