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Table 3 Sensitivity, specificity, positive and negative predictive values as determined by cutoff values of the ROC curve

From: Efficacy of sperm motility after processing and incubation to predict pregnancy after intrauterine insemination in normospermic individuals

 

After sperm processing (cutoff value: 69%)

24 h incubation (cutoff value: 56.5%)

Sensitivity

63.5 (50.4 – 76.5)

96.1 (90.9 – 100.0)

Specificity

73.1 (65.0 – 81.0)

92.7 (88.1 – 97.3)

Positive predictive value

50 (37.9 – 62.1)

84.7 (75.5 – 93.9)

Negative predictive value

82.6 (75.5 – 89.7)

98.3 (95.9 – 100.0)

  1. Values are expressed as percentage and 95% CI.