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Table 2 Prediction of hyper-activated motility by the kinematics of capacitated spermatozoa treated with tetrahydrocannabinol with (out) vitamin C

From: Vitamin C ameliorates tetrahydrocannabinol-induced spermatotoxicity in-vitro

Outcomes

Predictors

Sensitivity (%)

Specificity (%)

Cutoff value

AUC

95% CI

p-values

Progressive motility

VAP (μm/s)

100.00

100.00

8.76

1.000

1.000 to 1.000

0.000

VCL (μm/s)

100.00

100.00

10.36

1.000

1.000 to 1.000

0.000

VSL (μm/s)

100.00

100.00

4.96

1.000

1.000 to 1.000

0.000

ALH (μm)

100.00

100.00

0.45

1.000

1.000 to 1.000

0.000

BCF (Hz)

100.00

100.00

1.73

1.000

1.000 to 1.000

0.000

Wobble (%)

100.00

33.30

66.49

0.333

−0.200 to 0.867

0.405

Straightness (%)

88.90

66.70

48.43

0.778

0.455 to 1.101

0.166

Linearity (%)

100.00

33.30

32.46

0.593

0.181 to 1.004

0.644

  1. VAP Average-path velocity, VCL Curvilinear velocity, VSL Straight-line velocity, ALH Amplitude of lateral head displacement, BCF Beat/cross frequency, AUC Area under the receiver operating characteristic curve, CI Confidence interval