Table 1.
Characteristics of pediatric patients evaluated for PE
| Patient demographics | ||
|---|---|---|
| Characteristics | PE positive (n = 93) | PE negative (n = 1010) |
| n (%) | n (%) | |
| Demographics | ||
| Age (y), median [IQR] | 15.2 [13.9‐20.0] | 16.9 [15.0‐20.8] |
| Female sex | 46 (49.5) | 502 (49.7) |
| Comorbidities | ||
| Central venous catheter | 9 (9.7) | 24 (2.4) |
| Previous venous thromboembolism | 28 (30.1) | 39 (3.9) |
| Malignancy | 12 (12.9) | 41 (4.1) |
| Congenital heart disease | 5 (5.4) | 45 (4.5) |
| Renal disease | 1 (1.1) | 8 (0.8) |
| Recent immobility or surgery | 25 (26.9) | 82 (8.1) |
| Recent injury | 6 (6.5) | 30 (3.0) |
| Exogenous estrogen use | 17 (18.3) | 153 (15.1) |
| Symptoms/Exam findings | ||
| Syncope | 1 (1.1) | 51 (5.0%) |
| Chest pain | 35 (38%) | 553 (54.7%) |
| Cough | 14 (15.1) | 204 (20.2) |
| Shortness of breath | 55 (59.1) | 583 (57.7) |
| Fever | 16 (17.2) | 116 (11.5) |
| Hemoptysis | 3 (3.2) | 18 (1.8) |
| Calf swelling | 15 (16.1) | 26 (2.6) |
| O2 saturation < 95% | 18 (19.4) | 49 (4.9) |
Abbreviations: IQR, interquartile range; PE, pulmonary embolism.