Baseline characteristics and the score of Wells criteria.
| Characteristicsa) | Total (N=100) | PE (N=8) | Non-PE (N=92) | |
|---|---|---|---|---|
| Age, year | 30.38±6.67 | 32.57±7.48 | 30.21±6.62 | 0.369 |
| Gestational age, week | 30.20±7.55 | 25.33±16.02 | 30.58±6.55 | 0.461 |
| 1st trimester | 5 (5%) | 2 (25%) | 3 (3.3%) | 0.015 |
| 2nd trimester | 16 (16%) | 0 (0%) | 16 (17.4%) | |
| 3rd trimester | 79 (79%) | 6 (75%) | 73 (79.3%) | |
| Twin infants | 1 (1%) | 1 (12.5%) | 0 (0%) | 0.080 |
| Preeclampsia | 4 (4%) | 0 (0%) | 4 (4.3%) | 0.547 |
| Hormone therapy | 3 (3%) | 0 (0%) | 3 (3.3%) | 0.604 |
| Fever | 11 (11%) | 3 (37.5%) | 8 (8.7%) | 0.041 |
| Chest pain | 32 (32%) | 2 (25%) | 30 (32.6%) | 0658 |
| D-dimer, mg/Lb) | 1,325.50 (186.0–9,547.0) | 2,110.0 (785–9,547) | 1,274.50 (186–7,977) | 0.029 |
| Wells score | 3.60±0.94 | 4.44±1.97 | 3.53±0.76 | 0.008 |
| PE likely according to Wells criteria | 36 (36%) | 5 (62.5%) | 31 (33.7) | 0.104 |
| The Wells criteria | ||||
| Symptoms of DVTc) | 2 (2%) | 2 (25%) | 0 (0%) | 0.006 |
| PE is the most likely diagnosis | 100 (100%) | 8 (100%) | 92 (100%) | - |
| Tachycardia | 32 (32%) | 3 (37.5%) | 29 (31.5%) | 0.708 |
| Immobilization/surgery | 2 (2%) | 0 (0%) | 2 (2.2%) | 0.674 |
| Previous DVT/PE | 0 (0%) | 0 (0%) | 0 (0%) | - |
| Hemoptysis | 3 (3%) | 1 (12.5%) | 2 (2.2%) | 0.223 |
| Active malignancy | 0 (0%) | 0 (0%) | 0 (0%) | - |
a)Data is presented as mean±SD or N (%). b)Data is presented as median (minimum, maximum). c)Venous ultrasound positive for DVT.
Abbreviations: DVT, deep vein thrombosis; PE, pulmonary embolism.
Blood Res 2021;56:150~155 https://doi.org/10.5045/br.2021.2021069
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