Lung cancer mortality among patients with cryptogenic fibrosing alveolitis (CFA)/idiopathic pulmonary fibrosis (IPF)
| Study | Type of study | No of deaths | No of deaths with lung cancer | Prevalence of lung cancer (%; 95% CI) |
| Meyer and Liebow (1965)11 | Necropsy series | 19 | 4 | 21.1 (6.1 to 45.6) |
| Turner-Warwick et al (1980)24 | Case series | 155 | 20 | 12.9 (8.1 to 19.2) |
| Wright et al (1981)31 | Case series | 31 | 7 | 22.6 (9.6 to 41.1) |
| Tukiainen et al (1983)32 | Case series | 44 | 2 | 4.5 (0.6 to 15.3) |
| Kawai et al (1987)33 | Autopsy case series | 47 | 8 | 17.0 (7.6 to 30.8) |
| Wells et al (1994)34 | Case series | 127 | 6 | 4.7 (1.0 to 8.4) |
| Matsushita et al (1995)1 | Autopsy case series | 83 | 40 | 48.2 (37.1 to 59.4) |
| Johnston et al (1997)4 | Case series | 231 | 29 | 12.6 (8.6 to 17.5) |
| Hironaka and Fukayama (1999)6 | Autopsy case series | 70 | 32 | 45.7 (33.7 to 58.1) |
| Qunn (2001)7 | Autopsy case series | 72 | 31 | 43.1 (31.4 to 55.3) |
| Araki (2003)35 | Autopsy case series | 86 | 15 | 17.4 (10.1 to 27.1) |
| Jeon (2006)36 | Case series | 50 | 4 | 8.0 (2.2 to 19.2) |
| Okamoto (2006)37 | Case series | 56 | 12 | 21.4 (11.6 to 34.4) |
| Daniels (2008)38 | Autopsy series | 42 | 0 | 0 (0 to 8.4*) |
*One-sided 97.5% confidence interval.