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Table 4 shows ROC analysis for predictability of laboratory and clinical characteristics for successful sperm retrieval

From: Evaluation of the predictors of successful sperm retrieval of micro-TESE in cases with mosaic Klinefelter versus cases with non-mosaic Klinefelter: a prospective case series study

Test Result Variable(s)

AUC

P value

Diagnostic indices

Positive predictive value

Negative predictive value

95% Confidence Interval

Cutoff

Sensitivity

Specificity

Lower bound

Upper bound

Age

0.393

0.136

-

-

-

  

0.254

0.532

Right testicular volume (ml)

0.695

0.007

2

73.1%

61.4%

52.78

79.41

0.564

0.825

Left testicular volume (ml)

0.695

0.007

2

76.9%

57.8%

51.28

80.65

0.569

0.822

Total testicular volume

0.703

0.002

5.255

61.5

75

59.26

76.74

0.577

0.829

TT (nmol/l)

0.623

0.087

-

-

-

  

0.482

0.764

FSH (IU/l)

0.547

0.516

-

-

-

  

0.411

0.682

LH (IU/l)

0.645

0.027

17

73.1

50

46.34

75.86

0.516

0.773

Prolactin (ngm/dL)

0.516

0.827

-

-

-

  

0.370

0.662

Estradiol (ngm/dL)

0.573

0.310

-

-

-

  

0.434

0.712

46xy

0.675

0.008

16.35

84.6

50

50

84.62

0.546

0.805