Table 2.
All silent phase patients | Silent phase patients without VTE | Silent phase patients with DVT | Silent phase patients with PE | |
---|---|---|---|---|
N = 194 | N = 180 | N = 11 | N = 3 | |
Median time from alert to VTE (range) | N/A | N/A | 27 d (0‐65) | 66 d (0‐82) |
Visit type | ||||
New patients or first follow‐up | 59 (30%) | 52 (28.9%) | 6 (54.5%) | 1 (33.3%) |
Subsequent | 135 (70%) | 128 (71.1%) | 5 (45.5%) | 2 (66.6%) |
Anticoagulation at time of alert | 32 (16.5%) | 30 (16.7%) | 2 (18.2%) | 0% |
Where VTE was diagnosed | 0 (0%) | |||
Inpatient | – | – | 4 (36.4%) | 0% |
Emergency room | – | – | 4 (36.4%) | 1 (33.3%) |
Ambulatory | – | – | 3 (27.3%) | 2 (66.6%) |
Mean ER visits within 90 d of alert | 0.9 | 0.9 | 1.2 | 0.3 |
Mean admissions within 90 d of alert | 0.9 | 0.9 | 1.6 | 0.3 |
Mean LOS within 90 d of alert | 5.1 | 4.8 | 9.1 | 1 |
Expired within 90 d of alert (N,%) [95% CI]a | 33 (17.0%) (95% CI: 12.0%‐23.0%) | 29 (16.1%) (95% CI: 11.1%‐22.3%) | 4 (36.4%) (95% CI: 10.9%‐69.2%) | 0 (0.0%) N/A |
CI, confidence interval; DVT, deep vein thrombosis; LOS, length of stay; PE, pulmonary embolism; VTE, venous thromboembolism.
95% CI calculated using binomial distribution method