Prevalence of malignancy in pericardial effusions
| Authors | Study period | Global (N) | Age (years, mean±SD) | Malignancy (%) | Cardiac tamponade (%) |
| Rafique et al 6 | 2000–2007 | 157 | 62±18 | 42 (27) | 157 (100) |
| Sánchez-Enrique et al 8 | 2003–2013 | 136 | 65±17 | 44 (32) | 136 (100) |
| Gornik et al 13 | 1999–2003 | 219 | 57.5±1.0 | 96 (44) | NR |
| Agarwal et al 4 | 2009–2013 | 103 | 61 | 19 (18) | NR |
| Rooper et al 7 | 1994–2013 | 480 | 49.0±18.6 | 195 (41) | NR |
| Saab et al 14 | 2008–2014 | 364 | 63 | 51 (14) | 27/51 (53) |
| Dragoescu and Liu15 | 2005–2010 | 113 | 52.6 | 28 (25) | NR |
| Imazio et al 1* | 1996–2003 | 450 | 52.6±18.1 | 33 (7) | 10/33 (30) |
*Neoplastic aetiology was found in 23 of 440 patients with acute pericarditis and in all patients (10) with cardiac tamponade without pericarditis.
N, number of patients; NR, not reported.