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Table 4 – Sensitivity and specificity analysis

From: Intraoperative electromyographic monitoring to optimize safe lumbar pedicle screw placement – a retrospective analysis

t-EMG Monitoring

Breached Pedicle (n)

Intact Pedicle (n)

Total

Positive

True positive = 14

False positive = 131

145

Negative

False Negative = 1

True Negative = 1710

1711

Total

15

1841

1856

Sensitivity

93.33%

 

Specificity

92.88%