Table 2. Characteristics of participating hospitals and respiratory unit resources, by COPD patients with/without serum AAT levels tested.
| Centers | All patients (n = 4,408) |
COPD patients with serum AAT levels tested (n = 995) |
COPD patients without serum AAT levels tested (n = 3,413) |
OR (95%CI) | p |
|---|---|---|---|---|---|
| Large hospital, (%) | 62.9 | 67.4 | 61.6 | 1.41 (0.79–2.50) | 0.240 |
| University hospital, (%) | 88 | 88.5 | 87.9 | 1.02 (0.44–2.32) | 0.962 |
| Beds per center ≥500, (%) | 71.9 | 74.2 | 71.2 | 1.18 (0.64–2.17) | 0.581 |
| Respiratory ward not available, (%) | 11.5 | 8.1 | 12.5 | Reference | |
| Respiratory ward<20 beds | 13.4 | 12.9 | 13.5 | 1.46 (0.49–4.31) | 0.485 |
| Respiratory ward≥20 beds | 75 | 78.9 | 73.8 | 1.58 (0.68–3.67) | 0.278 |
| Number of pulmonology staff members ≥5, (%) | 78.9 | 80.2 | 78.5 | 0.80 (0.35–1.86) | 0.620 |
| Pulmonology residents present, (%) | 74.1 | 75.2 | 73.8 | 1.01 (0.53–1.91) | 0.963 |
| Number of annual outpatient respiratory visits ≥ 10,000, (%) | 88.8 | 93.3 | 87.4 | 2.18 (0.99–4.79) | 0.05 |
| ≥ 15 minutes of follow-up at general outpatient respiratory visit, (%) | 41.9 | 42.9 | 417 | 1.16 (0.65–2.06) | 0.618 |
| AATD genotyping availability, (%) | 74.1 | 77.3 | 73.2 | 1.41 (0.75–2.65) | 0.284 |
| Specialized COPD outpatient clinic available, (%) | 52.5 | 61.4 | 50 | 1.91 (1.10–3.32) | 0.021 |
| Outpatient respiratory nursing clinic availability, (%) | 45.9 | 50.4 | 44.5 | 1.32 (0.75–2.33) | 0.333 |
| Inhalation technique educational program available, (%) | 29.9 | 33.8 | 28.8 | 1.23 (0.67–2.28) | 0.494 |
The necessary criteria to consider a hospital large are: the number of beds per center ≥500, the number of inpatient respiratory beds ≥20, the number of pulmonology staff members ≥5, and the number of annual outpatient respiratory visits ≥10,000.