Follow up studies for analysis
| Author | Country and year | Inclusion criteria | Outpatients (%) | Prevalence of PE | False negatives (%) | Study appraisal scores: 0 = no criteria fulfilled, 1 = only some criteria fulfilled, 2 = all criteria fulfilled. | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| Follow up | Study cohort | Included patients | Excluded patients | CTPA protocol | ||||||
| Musset et al28 | France 2002 | All patients suspected of pulmonary embolism | 77% | 35% | 68/638 | 2 | 1 | 1 | 1 | 2 |
| Tillie-Leblond et al29 | France 2002 | All patients suspected of pulmonary embolism | 85% | 30% | 19/201 | 1 | 1 | 2 | 1 | 2 |
| van Strijen et al30 | Holland 2003 | All patients suspected of pulmonary embolism | 54% | 24% | 5/378 | 2 | 1 | 1 | 1 | 2 |
| Perrier et al31 | Switzerland, France 2004 | Elevated D-dimer and normal ultrasound | 100% | 23% | 9/413 | 2 | 1 | 2 | 2 | 2 |
| Perrier et al32 | Switzerland, France 2005 | Elevated D-dimer or high clinical probability of pulmonary embolism | 100% | 26% | 8/324 | 2 | 1 | 2 | 1 | 2 |
| Ferretti et al33 | France 1997 | Normal ultrasound and intermedate VQ scan | 35% | 24% | 7/112 | 1 | 1 | 1 | 1 | 2 |
| Ost et al34 | USA 2001 | Patients with high clinical probability of PE and non-diagnostic VQ scan | Unknown | 27% | 3/71 | 1 | 1 | 1 | 1 | 2 |
| Remy-Jardin et al35 | France 2002 | Patients referred for CT pulmonary angiogram | 17% | 18% | 11/173 | 1 | 1 | 1 | 1 | 2 |
| Friera et al36 | Spain 2004 | Patients referred for CT pulmonary angiogram | Unknown | 25% | 1/115 | 1 | 1 | 1 | 0 | 2 |
| Revel et al37 | France 2005 | Patients referred for CT pulmonary angiogram | 44% | 24% | 7/140 | 1 | 1 | 1 | 0 | 2 |
| Prologo et al38 | USA 2005 | Patients referred for CT pulmonary angiography | Unknown | 10% | 2/198 | 1 | 1 | 1 | 1 | 2 |