Table 1.
Proportion of Wells score components captured by the automated process.
| Wells score components | Present on chart review, n/N (prevalence rate %) | Captured by automated process, n/N (sensitivity rate %) | Erroneously captured, n/N (false positive rate %) |
| Clinical signs or symptoms of DVTa (3 points) | 28/202 (14) | 15/28 (54) | 4/174 (2.3) |
| Pulse >100 (1.5 points) | 87/202 (44) | 87/87 (100) | 1/115 (0.9) |
| Immobilization x 3 days or surgery in previous 4 weeks (1.5 points) | 22/202 (11) | 15/22 (68) | 0/180 (0) |
| History of PEb or DVT (1.5 points) | 32/202 (16) | 29/32 (91) | 5/170 (2.9) |
| Hemoptysis (1 point) | 7/202 (3.5) | 6/7 (86) | 1/195 (0.5) |
| Malignancy with treatment within 6 months or palliative (1 point) | 47/202 (23) | 41/47 (87) | 8/155 (5.2) |
| PE as likely or more than alternate diagnoses (3 points, assumed to be true) | 202/202 (100) | 202/202 (100) | 0/0 (0) |
aDVT: deep venous thrombosis.
bPE: pulmonary embolism.