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Table 5 Comparison of positive/negative cases of SEPs and TcMEPs among 3 groups

From: Effects of dexmedetomidine on evoked potentials in spinal surgery under combined intravenous inhalation anesthesia: a randomized controlled trial

 

Group

Real positive case(%)

False positive case(%)

Real negative case(%)

False negative case(%)

SEPs

C(n = 27)

0(0%)

0(0%)

27(100%)

0(0%)

DL(n = 24)

0(0%)

0(0%)

24(100%)

0(0%)

DH(n = 28)

0(0%)

0(0%)

28(100%)

0(0%)

TcMEPs

C(n = 27)

0(0%)

2(7.4%)

25(92.6%)

0(0%)

DL(n = 24)

0(0%)

3(12.5%)

21(87.5%)

0(0%)

DH(n = 28)

0(0%)

12(42.9%)*#

16(57.1%)

0(0%)

  1. Abbreviation: SEPs somatosensory evoked potentials, TcMEPs transcranial motor evoked potentials
  2. *P < 0.05, compared with group C. Chi-square test for comparison of multiple group rates
  3. #P < 0.05, compared with group DL. Chi-square test for comparison of multiple group rates