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Table 2 Audit results from the diagnostic and evaluation perspective (n = 4307)

From: Community Assessment of COPD Health Care (COACH) study: a clinical audit on primary care performance variability in COPD care

Variables

Average (Patient level)

Inter-center range

Inter-regional range

Range

P value a

Range

P value a

Final diagnosis correct

 Exposure + obstruction b

758 (17.6)

0–60.0

<  0.001

9.8–23.3

<  0.001

 Exposure + obstruction b + symptoms

369 (8.6)

0–41.3

<  0.001

0.7–14.0

<  0.001

Evaluation of the clinical presentation

 Dyspnea registered

820 (19.0)

0–94.9

<  0.001

2.7–31.8

<  0.001

 Dyspnea registered by mMRC

479 (11.1)

0–77.8

<  0.001

2.5–21.4

<  0.001

 Cough and sputum registered

1099 (25.5)

0–94.4

<  0.001

0.9–49.6

<  0.001

 Sputum color registered (n = 789 with chronic bronchitis)

358 (45.4)

0–77.9

<  0.001

19.2–77.0

<  0.001

 Asthma symptoms registered

856 (19.9)

0–86.7

<  0.001

0.2–35.3

<  0.001

 Exacerbations in the previous year registered

3507 (81.4)

2.6–100

<  0.001

62.0–95.6

<  0.001

Evaluation of therapies

 Current smoking status registered

1874 (43.5)

0–100

<  0.001

18.2–66.1

<  0.001

 Exercise registered

1950 (45.3)

0–100

<  0.001

13.9–74.5

<  0.001

 Influenza vaccination registered

3777 (87.7)

43.9–100

<  0.001

79.1–96.6

<  0.001

 Pneumococcal vaccination registered

2991 (69.4)

2.5–100

<  0.001

31.5–95.0

<  0.001

 Adverse effects registered

173 (4.0)

0–100

<  0.001

1.6–6.9

<  0.001

 Treatment adherence registered

610 (14.2)

0–94.9

<  0.001

5.3–27.4

<  0.001

 Inhaler satisfaction registered

195 (4.5)

0–47.6

<  0.001

0.8–6.9

<  0.001

Evaluation of complementary tests used

 Spirometry solicited

520 (12.1)

0–80.0

<  0.001

4.7–23.7

<  0.001

 COPD assessment test administered

46 (1.1)

0–18.8

<  0.001

0–2.6

<  0.011

 Sputum culture solicited

43 (1.0)

0–21.7

<  0.001

0–3.9

<  0.001

 Alpha1-antitrypsin solicited (n = 4199 with no previous determination)

5 (0.1)

0–7.7

<  0.001

0–0.2

0.896

 Alpha1-antitrypsin solicited at any time in the clinical record

114 (2.6)

0–23.8

<  0.001

0.4–7.4

<  0.001

  1. Data are expressed as absolute (relative) frequencies in comparison to the whole cohort unless otherwise specified
  2. mMRC modified Medical Research Council
  3. a Calculated by Chi-squared test or ANOVA to test for variability
  4. b Spirometric obstruction detected by post-bronchodilator spirometry and, if not available, by the most recent pre-bronchodilator spirometry
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BMC Medical Research Methodology

ISSN: 1471-2288

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