Tables
- Table 1. Mortality risk scoring system for patients with idiopathic pulmonary fibrosis
Risk factors Score Age years ≥70 8 60–69 4 <60 0 Recent respiratory hospitalisation Yes 14 No 0 Baseline FVC % predicted ≤50 18 51–65 13 66–79 8 ≥80 0 24-week change in FVC % predicted ≤ -10 21 -5 to -9.9 10 > -4.9 0 FVC: forced vital capacity. Sum the individual scores corresponding to the level of each risk factor for a given patient, e.g. the total score for a patient aged 70 years, with no history of respiratory hospitalisation, FVC 51–65% predicted, and a 24-week change in FVC of -5 to -9.9% predicted is 8+0+13+10=31. Reproduced with modification from [21] with permission from the publisher.
- Table 2. Expected 1-year probability of death in patients with idiopathic pulmonary fibrosis
Total risk score Expected 1-year probability of death % 0–4 <2 8–14 2–5 16–21 5–10 22–29 10–20 30–33 20–30 34–37 30–40 38–40 40–50 41–43 50–60 44–45 60–70 47–49 70–80 >50 >80 The total points from table 1 are used to calculate the expected 1-year probability of death, e.g. a patient with a total risk score of 31 has a predicted 1-year probability of death of 20–30%. Reproduced with modification from [21] with permission from the publisher.
- Table 3. The GAP (gender, age and physiology) index
Predictor Points Gender G Female 0 Male 1 Age years A ≤60 0 61–65 1 >65 2 Physiology FVC % predicted >75 0 50–75 1 <50 2 P DLCO % predicted >55 0 36–55 1 ≤35 2 Cannot perform 3 Maximum possible points=8. FVC: forced vital capacity; DLCO: diffusing capacity of the lung for carbon monoxide.
- Table 4. The GAP (gender, age and physiology) index and staging system
Stage I II III Points 0–3 4–5 6–8 Mortality years 1 5.6 16.2 39.2 2 10.9 29.9 62.1 3 16.3 42.1 76.8
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