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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.