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Table 3 The parameter of the cortical auditory evoked potential

From: The effect of early versus late lipid infusion in parenteral nutrition on the biochemical and cortical auditory evoked potential parameters in preterm neonates

  Early lipid infusion Late lipid infusion Test value P-value Sig.
No. = 26 No. = 23
p1 latency (ms) right ear
 at 500 HZ Mean ± SD 113.55 ± 7.77 184.09 ± 24.01 −14.182 0.000 HS
Range 95.5 − 127.4 149 − 234
 at 2000 HZ Mean ± SD 114.56 ± 7.62 190.70 ± 22.96 −15.960 0.000 HS
Range 97.2 − 130 155 − 239
p1 latency left ear
 at 500 HZ Mean ± SD 113.29 ± 7.60 188.91 ± 23.45 −15.564 0.000 HS
Range 96.1 − 128.1 151 − 235
 at 2000 HZ Mean ± SD 113.13 ± 7.53 193.43 ± 21.38 −17.955 0.000 HS
Range 98 − 127 156 − 239
p1 amplitude right ear
 at 500 HZ Mean ± SD 3.31 ± 0.73 5.91 ± 1.41 −8.216 0.000 HS
Range 2.09 − 4.8 3.44 − 8.4
 at 2000 HZ Mean ± SD 3.19 ± 0.73 9.23 ± 1.42 −19.077 0.000 HS
Range 2.02 − 4.6 6.6 − 11.8
p1 amplitude left ear
 at 500 HZ Mean ± SD 3.25 ± 0.72 5.85 ± 1.41 −8.264 0.000 HS
Range 2.09 − 4.7 3.4 − 8.3
 at 2000 HZ Mean ± SD 3.31 ± 0.69 9.29 ± 1.36 −19.712 0.000 HS
Range 2.22 − 4.5 6.7 − 11.2
  1. •: Independent t-test