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Table 5 Analysis of the sensitivity and specificity of splenic vein diameter and splenic weight in the study population

From: Splenic volume and splenic vein diameter are independent pre-operative risk factors of portal vein thrombosis after splenectomy: a retrospective cohort study

Risk factor

Sensitivity

Specificity

PPV

NPV

PLR

NLR

Accuracy

Splenic weight > 500 g

0.72 (0.53–0.87)

0.78 (0.69–0.85)

0.44 (0.29–0.59)

0.92 (0.85–0.97)

3.22 (2.16–4.81)

0.36 (0.20–0.65)

0.77

Splenic vein diameter > 10 mm

0.72 (0.53–0.87)

0.72 (0.63–0.80)

0.38 (0.25–0.53)

0.91 (0.84–0.96)

2.56 (1.78–3.67)

0.38 (0.21–0.70)

0.72

1 risk factor

0.86 (0.68–0.96)

0.62 (0.53–0.71)

0.36 (0.25–0.48)

0.95 (0.88–0.99)

2.30 (1.75–3.02)

0.22 (0.09–0.55)

0.67

2 risk factors

0.62 (0.42–0.79)

0.87 (0.79–0.92)

0.53 (0.35–0.70)

0.90 (0.84–0.95)

4.66 (2.72–7.97)

0.44 (0.27–0.70)

0.82

  1. Screening test characteristics are expressed as numbers and 95% confidence interval in brackets. PPV, positive predictive value; NPV, negative predictive value; PLR, positive likelihood ratio; NLR, negative likelihood ratio