Table 3.

Du Bois Prognostic Index.

Risk Factors	Score	Total Risk Score	Expected 1-Year Risk of Death
Age		0–4	<2%
≥70	8	8–14	2–5%
60–69	4	16–21	5–10%
<60	0	22–29	10–20%
History of respiratory hospitalization		30–33	20–30%
Yes	14	34–37	30–40%
No	0	38–40	40–50%
% Predicted FVC		41–43	50–60%
≤50	18	44–45	60–70%
51–65	13	47–49	70–80%
66–79	8	>50	>80%
≥80	0
24-Week change in % predicted FVC
≤−10	21
−5 to −9.9	10
>−4.9	0

Modified from [36].