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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