Number of confirmed cases | Medical records received | Positive predictive value (%) | 95% CI (%) | ||
---|---|---|---|---|---|
Claim for asthma only | |||||
Overall | 67 | 91 | 73.6 | 63.3, 82.3 | |
Age, years | |||||
20-39 | 19 | 24 | 79.2 | 57.8, 92.9 | |
40-64 | 45 | 62 | 72.6 | 59.8, 83.1 | |
> 64 | 3 | 5 | 60.0 | 14.7, 94.7 | |
Sex | |||||
Male | 25 | 34 | 73.5 | 55.6, 87.1 | |
Female | 42 | 57 | 73.7 | 60.3, 84.5 | |
Top 3 Variables predictive of asthma confirmation | |||||
Outpatient visit, moderate complexity | Yes | 42 | 51 | 82.4 | 69.1, 91.6 |
No | 25 | 40 | 62.5 | 45.8, 77.3 | |
Beta-adrenergic drug dispensing | Yes | 53 | 66 | 80.3 | 68.7, 89.1 |
No | 14 | 25 | 56.0 | 34.9, 75.6 | |
West region | Yes | 18 | 19 | 94.7 | 74.0, 99.9 |
No | 49 | 72 | 68.1 | 56.0, 78.6 | |
Claim for COPD only | |||||
Overall | 75 | 92 | 81.5 | 72.1, 88.9 | |
Age, years | |||||
20-39 | 2 | 4 | 50.0 | 6.8, 93.2 | |
40-64 | 44 | 58 | 75.9 | 62.8, 86.1 | |
> 64 | 29 | 30 | 96.7 | 82.8, 99.9 | |
Sex | |||||
Male | 38 | 42 | 90.5 | 77.4, 97.3 | |
Female | 37 | 50 | 74.0 | 59.7, 86.4 | |
Top 3 Variables predictive of COPD confirmation | |||||
65+ years of age | Yes | 29 | 30 | 96.7 | 82.8, 99.9 |
No | 46 | 62 | 74.2 | 61.5, 84.5 | |
Inhaled anticholinergic drug dispensing | Yes | 33 | 35 | 94.3 | 80.8, 99.3 |
No | 42 | 57 | 73.7 | 60.3, 84.5 | |
Radiologic examination, chest, 2 views, frontal and lateral | Yes | 48 | 54 | 88.9 | 77.4, 95.8 |
No | 27 | 38 | 71.1 | 54.1, 84.6 | |
Claim for Asthma and COPD (PPV of asthma only) | |||||
Overall | 40 | 104 | 38.5 | 29.1, 48.5 | |
Age, years | |||||
20-39 | 5 | 6 | 83.3 | 35.9, 99.6 | |
40-64 | 30 | 76 | 39.5 | 28.4, 52.4 | |
> 64 | 5 | 22 | 22.7 | 7.8, 45.4 | |
Sex | |||||
Male | 19 | 44 | 43.2 | 28.3, 59.0 | |
Female | 21 | 60 | 35.0 | 23.1, 48.4 | |
Top 3 Variables predictive of asthma only among patients with claims-based COPD and asthma | |||||
Chronic airway obstruction, not elsewhere classified (ICD-9 496.xx) | Yes | 20 | 76 | 26.3 | 16.9, 37.7 |
No | 20 | 28 | 71.4 | 51.3, 86.8 | |
General Bronchodilator Agents | Yes | 6 | 35 | 17.1 | 6.6, 33.6 |
No | 34 | 69 | 49.3 | 37.0, 61.6 | |
Inhaled corticosteroid dispensing | Yes | 9 | 39 | 23.1 | 11.1, 39.3 |
No | 31 | 65 | 47.7 | 35.1, 60.5 | |
No claims for asthma or COPD (PPV of asthma only) | |||||
Overall | 24 | 83 | 28.9 | 19.5, 39.9 | |
Age, years | |||||
20-39 | 7 | 17 | 41.2 | 18.4, 67.1 | |
40-64 | 14 | 57 | 24.6 | 14.1, 37.8 | |
> 64 | 3 | 9 | 33.3 | 7.5, 70.1 | |
Sex | |||||
Male | 8 | 32 | 25.0 | 11.5, 43.4 | |
Female | 16 | 51 | 31.4 | 19.1, 45.9 | |
Top 3 Variables predictive of asthma only among patients with neither claims-based COPD nor asthma | |||||
Lipid panel | Yes | 1 | 23 | 4.4 | 0.1, 21.9 |
No | 23 | 60 | 38.3 | 26.1, 51.8 | |
Collection of venous blood by venipuncture | Yes | 4 | 31 | 12.9 | 3.6, 29.8 |
No | 20 | 52 | 38.5 | 25.3, 53.0 | |
Macrolides | Yes | 4 | 29 | 13.8 | 3.9, 31.7 |
No | 20 | 54 | 37.0 | 24.3, 51.3 |