Table 3. Indications for referral and listing for COPD.
| Referral |
| Progressive disease despite optimal medical treatment |
| Not a candidate for LVRS |
| BODE 5–6 |
| PaCO2 >50 or PaO2 <60 |
| FEV1 <25% predicted |
| Listing |
| BODE ≥7 |
| FEV1<15–20% predicted |
| ≥3 exacerbations during the preceding year |
| 1 severe exacerbation with acute hypercapnic respiratory failure |
| Moderate to severe PH |
COPD, chronic obstructive pulmonary disease; LVRS, Lung Volume Reduction Surgery; BODE, body mass index, airflow obstruction, dyspnea and exercise capacity index; PaCO2, partial pressure of carbon dioxide; FEV1: forced expiratory volume in 1 second; PH, pulmonary hypertension.