Skip to main content

Table 2 Diagnostic accuracy of TVHSg in identifying submucous fibroids

From: Transvaginal saline hysterosonography: a comparison with local anaesthetic hysteroscopy for the diagnosis of benign lesions associated with menorrhagia

 

Disease present

Disease absent

Test result positive

19

2

Test result negative

3

113

  1. Sensitivity=19/22=0.86 (0.64–0.96, 95% CI)
  2. Specificity=113/115=0.98 (0.93–0.99, 95% CI)
  3. Positive predictive value=19/21=0.90 (0.68–0.98, 95% CI)
  4. Negative predictive value=113/116=0.97 (0.92–0.99, 95% CI)
  5. Positive likelihood ratio=sensitivity/(1−specificity)=0.86/(1–0.98)=0.86/0.2=49.65 (12.44–198.14, 95% CI)
  6. Negative likelihood ratio=(1−sensitivity)/specificity=0.138 (0.048–0.397, 95% CI)
Back to article page