Table 1.
Baseline Characteristics
| pre-PERT (PP) (n = 237) | PERT-alerted (PA) (n = 120) | Non-PERT alerted (NPA) (n = 197) | P value | |
|---|---|---|---|---|
| Age, median (95%CI) | 62 (59–66) | 63.5 (60.0–67) | 62 (58–63) | n.s. |
| Sex, No. (%) | ||||
| Men | 124 (52) | 60 (48) | 104 (53) | n.s. |
| Women | 113 (48) | 60 (50) | 93 (47) | n.s. |
| BMI, mean (SD) | 30.5 (9.17) | 32.35 (9.08) | 31.4 (9.00) | n.s. |
| PESI score, median (95%CI) | 108 (102–114) | 102 (95–109) | 103 (94–107) | n.s. |
| PESI score, mean (SD) | 114 (48.63) | 109 (38.79) | 105 (41.36) | n.s. |
| PESI classes, No. (%) | ||||
| PESI class I | 37 (16) | 10 (8) | 36 (18) | n.s. |
| PESI class II | 34 (14) | 27 (23) | 38 (19) | n.s. |
| PESI class III | 39 (16) | 27 (23) | 32 (16) | n.s. |
| PESI class IV | 48 (20) | 22 (18) | 35 (18) | n.s. |
| PESI class V | 79 (33) | 34 (28) | 55 (28) | n.s. |
| Coexisting conditions, No. (%) | ||||
| Heart failure | 92 (39) | 6 (5.0) | 20 (10) | < 0.001 |
| Chronic lung | 59 (25) | 11 (9) | 34 (17) | 0.001 |
| Malignancy | 79 (33) | 43 (36) | 72 (37) | 0.747 |
| Previous VTE | 44 (19) | 31 (26) | 44 (22) | 0.266 |
Abbreviations: PP pre-PERT, PA PERT alerted, NPA Non-PERT alerted, BMI Body Mass Index, PESI Pulmonary Embolism Severity Index, VTE Venous Thromboembolism. P value calculated by Chi Square test