Table 3 Diagnostic performance according to the CT pattern for the diagnosis of idiopathic pulmonary fibrosis.
Criteria | Sens | Spec | PPV | NPV | Accuarcy |
|---|---|---|---|---|---|
2011 criteria | |||||
UIP | 48.7 (43.2–54.1) | 90.3 (85.3–94.1) | 89.7 (84.8–93.1) | 50.4 (47.6–53.3) | 63.9 (59.7–68.0) |
Possible UIP† | 82.8 (76.3–88.1) | 57.6 (50.0–65.0) | 65.8 (61.5–69.8) | 77.3 (70.6–82.8) | 70.1 (65.0–74.8) |
UIP and possible UIP | 91.2 (87.6–94.0) | 52.0 (44.8–59.2) | 76.7 (73.9–79.2) | 77.3 (70.2–83.1) | 76.8 (73.0–80.3) |
2018 criteria | |||||
UIP | 48.7 (43.2–54.1) | 90.3 (85.3–94.1) | 89.7 (84.8–93.1) | 50.4 (47.6–53.3) | 63.9 (59.7–68.0) |
Probable UIP† | 63.2 (55.7–70.4) | 63.3 (55.7–70.4) | 62.9 (57.5–68.0) | 63.7 (58.3–68.7) | 63.2 (58.0–68.3) |
UIP and probable UIP | 81.1 (76.5–85.1) | 57.1 (49.9–64.2) | 76.6 (73.4–79.5) | 63.6 (57.6–69.2) | 72.3 (68.3–76.1) |
