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Table 2 Receiver operator characteristic curve analysis for concentration, motility and normal morphology for 3 donor groups and infertile men

From: Characterizing semen parameters and their association with reactive oxygen species in infertile men

Parameter Group Cut-off Sensitivity Specificity AUC
  All donors + All patients     
Concentration (X10 6 /mL) 31.55 56.6 74.5 0.640
Motility (%) 45.5 51.9 77.8 0.602
Morphology (%) 3.5 62.9 78.0 0.775
  Proven donors + All patients     
Concentration (X10 6 /mL) 27.8 50.9 85.7 0.674
Motility (%) 45.5 51.9 69.2 0.562
Morphology (%) 2.5 50.0 89.5 0.765
  Proven donors < 2 years + All patients     
Concentration (X10 6 /mL) 28.5 52.5 100 0.728
Motility (%) 46.5 52.5 75.0 0.562
Morphology (%) 11.5 98.7 38.5 0.723