Table 1.
Characteristics of the patients and theoretical indication to undergo CTPA according to Geneva score, Wells score, PERC, and YEARS algorithm.
| Total (n = 93) | CTPAa (n = 28) | Otherb pulmonary imaging (n = 65) | P | |
|---|---|---|---|---|
| Age—years ± SD | 68.8 ± 14.2 | 68.1 ± 11.8 | 68.9 ± 15.2 | 0.83 |
| Male gender—n (%) | 72 (77.4) | 24 (85.7) | 48 (73.8) | 0.28 |
| Hypertension—n (%) | 57 (61.3) | 15 (53.6) | 42 (64.6) | 0.32 |
| Diabetes mellitus—n (%) | 19 (20.4) | 5 (17.9) | 14 (21,5) | 0.78 |
| Ischemic CV diseases (CAD, stroke, TIA, PAD)—n (%) | 19 (20.4) | 2 (7.1) | 17 (26.2) | 0.05 |
| Obesity—n (%) | 19 (20.4) | 4 (14.3) | 15 (23.1) | 0.41 |
| Previous history of VTE—n (%) | 6 (6.4) | 2 (7.1) | 4 (6.2) | 1 |
| Previous or active malignancy—n (%) | 12 (12.9) | 4 (14.3) | 8 (12.3) | 0.75 |
| Reduced mobility—n (%) | 75 (80.6) | 23 (82.1) | 52 (80.0) | 0.81 |
| Recent trauma/surgery—n (%) | 4 (4.3) | 3 (10.7) | 1 (1.5) | 0.08 |
| D-dimer > age-adjusted range of normality in the ED—n (%) | 64 (68.8) | 23 (82.1) | 41 (63.1) | 0.07 |
| D-dimer > age-adjusted range of normality at least once during hospital stay—n (%) | 73 (78.5) | 24 (85.7) | 49 (75.4) | 0.41 |
| D-dimer > 1,000 ng/ml at least once during hospital stay—n (%) | 55 (59.1) | 20 (71.4) | 35 (53.8) | 0.11 |
| D-dimer > 5,000 ng/ml at least once during hospital stay—n (%) | 13 (14) | 6 (21.4) | 7 (10.8) | 0.17 |
| D-dimer > 10,000 ng/ml at least once during hospital stay—n (%) | 11 (11.8) | 5 (17.9) | 6 (9.2) | 0.3 |
| Indication to CTPA according to Geneva score for PE in combination with D-dimer—n (%) | 73 (78.5) | 24 (85.7) | 49 (75.4) | 0.41 |
| Indication to CTPA according to Wells score for PE in combination with D-dimer—n (%) | 73 (78.5) | 24 (85.7) | 49 (75.4) | 0.41 |
| Indication to CTPA according to PERC—n (%) | 73 (78.5) | 24 (85.7) | 49 (75.4) | 0.41 |
| Indication to CTPA according to YEARS algorithm—n (%) | 54 (58.1) | 20 (71.4) | 34 (52.3) | 0.08 |
a
Patients who underwent CTPA.
b
Patients who underwent other pulmonary imaging.