From: Ultrasound assessment of haemoperitoneum in ectopic pregnancy: derivation of a prediction model
Variable | Patients with the characteristic | Se(%) | Sp(%) | LR + | LR - | p-value* |
---|---|---|---|---|---|---|
Vaginal bleeding absent | 26 | 37.5 | 80.5 | 1.92 | 0.78 | 0.063 |
Any pelvic pain | 82 | 100.0 | 17.1 | 1.21 | 0.00 | 0.003 |
Moderate to severe pelvic pain | 65 | 91.5 | 48.8 | 1.8 | 0.2 | <0.001 |
Systolic blood pressure < 100 mm Hg | 12 | 20.8 | 95.1 | 4.27 | 0.83 | 0.0215 |
Hb < 10 g/dl | 15 | 29.2 | 97.6 | 11.9 | 0.73 | 0.001 |
Serum hCG < 5000 IU/L | 66 | 83,3 | 36,6 | 1,31 | 0,46 | 0,032 |
Any fluid in the pouch of Douglas at TVUS | 74 | 91.7 | 26.8 | 1.25 | 0.31 | 0.020 |
Fluid > uterine isthmus at TVUS | 52 | 81.3 | 68.3 | 2.56 | 0.27 | <0.001 |
Fluid > uterine fundus at TVUS | 18 | 31.1 | 92.7 | 4.27 | 0.74 | 0.005 |
Fluid arround the ovary at TVUS | 9 | 16.7 | 97.6 | 6.83 | 0.85 | 0.027 |
Fluid > uterine fundus OR fluid arround the ovary at TVUS | 24 | 43.8 | 92.7 | 5.98 | 0.61 | <0.001 |
Fluid height ≥ 11 mm at TVUS | 65 | 85.1 | 39.0 | 1.40 | 0.38 | 0.010 |
Fluid Width ≥ 20 mm at TVUS | 66 | 89.4 | 41.5 | 1.53 | 0.26 | 0.001 |
Clots present at TVUS | 47 | 72.9 | 70.7 | 2.5 | 0.4 | <0.001 |