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Table 4 Severity of COPD cases in Phase 1 and Phase 2 according to GOLD guideline. Data are shown as N (%)

From: Chronic Obstructive Pulmonary Disease (COPD) management in the community: how could primary care team contribute?

GOLD guideline group Phase 1 (n = 2358) Phase 2 (n = 2177) P value
Group A 1820 (77.2%) 1663 (76.4%) 0.31
Group B 399 (16.9%) 359 (16.5%)
Group C 78 (3.3%) 79 (3.6%)
Group D 61 (2.6%) 76 (3.5%)
  1. Group A: 0 or 1 moderate exacerbations (not leading to hospital admissions) AND mMRC 0–1 or CAT< 10.
  2. Group B: 0 or 1 moderate exacerbations (not leading to hospital admissions) AND mMRC ≥2 or CAT ≥10.
  3. Group C: ≥2 moderate exacerbations or ≥ 1 leading to hospitalization AND mMRC 0–1 or CAT< 10.
  4. Group D: ≥2 moderate exacerbations or ≥ 1 leading to hospitalization AND mMRC ≥2 or CAT ≥10.
  5. CAT = COPD assessment test; mMRC = modified Medical Research Council dyspnoea questionnaire.