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Table 3 Comparison of estimated current strengths in tinnitus patients

From: Extractions of steady-state auditory evoked fields in normal subjects and tinnitus patients using complementary ensemble empirical mode decomposition

Tinnitus patient The proposed CEEMD approach Traditional filtering method
Current strength of left ear stimulation Current strength of right ear stimulation Current strength of left ear stimulation Current strength of right ear stimulation
Left auditory cortex (nAm) Right auditory cortex (nAm) Left auditory cortex (nAm) Right auditory cortex (nAm) Left auditory cortex (nAm) Right auditory cortex (nAm) Left auditory cortex (nAm) Right auditory cortex (nAm)
P1 3.12 ± 0.98** 6.15 ± 1.62** 3.45 ± 1.15 4.21 ± 1.60** 2.5 ± 0.78 4.98 ± 1.31 3.68 ± 1.95 3.63 ± 1.38
P2 3.87 ± 1.60* 6.25 ± 1.70** 3.65 ± 1.48** 8.83 ± 2.12** 3.52 ± 1.15 4.93 ± 1.34 3.01 ± 1.10 6.00 ± 1.44
P3 3.38 ± 1.36** 4.66 ± 1.47** 5.07 ± 2.10** 10.28 ± 3.88** 2.03 ± 0.69 3.23 ± 1.02 2.75 ± 1.66 7.07 ± 2.64
P4 3.93 ± 1.09** 8.87 ± 1.41** 4.68 ± 1.77** 2.86 ± 1.16** 3.16 ± 0.63 6.54 ± 1.04 3.06 ± 1.28 2.11 ± 0.86
P5 4.28 ± 1.51** 5.70 ± 1.52** 4.05 ± 1.49** 7.90 ± 2.53** 3.09 ± 1.03 3.61 ± 0.96 2.57 ± 1.05 4.37 ± 1.40
Mean ± std 3.76 ± 1.39 6.30 ± 2.06 4.14 ± 1.74 6.92 ± 3.68 2.86 ± 0.86 4.66 ± 1.13 2.98 ± 1.53 4.67 ± 2.33
  1. The current strengths of CEEMD processing greater than traditional filtering method.
  2. * p < 0.05 by paired t test.
  3. ** p < 0.01 by paired t test.