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Table 2 Correlation analysis between carnitine profiles of serum and follicular fluid (n= 42)

From: Acylcarnitine esters profiling of serum and follicular fluid in patients undergoing in vitro fertilization

Analytes Correlation coefficient p
free carnitine 0.868 <0.001
Total acyl-carnitine 0.368 0.008
Total carnitine 0.775 <0.001
Total short-chain acylcarnitines 0.385 0.006
Total medium-chain acylcarnitine 0.487 0.001
Total long-chain acylcarnitine 0.366 0.009
Short chain acylcarnitines  
  C2-carnitine 0.394 0.005
  C3-carnitine 0.683 <0.001
  C4-carnitine 0.529 <0.001
  C5-carnitine 0.475 <0.001
  C5-OH carnitine 0.209 0.092
Medium chain acylcarnitines  
  C6-carnitine 0.433 0.002
  C8-carnitine 0.607 <0.001
  C8:1-carnitine 0.790 <0.001
  C10-carnitine 0.590 <0.001
  C10:1-carnitine 0.532 <0.001
  C12-carnitine 0.225 0.076
  C12:1-carnitine 0.218 0.083
Long chain acylcarnitines  
  C14-carnitine −0.041 0.398
  C14:1-carnitine 0.185 0.120
  C16-carnitine 0.240 0.063
  C18-carnitine −0.140 0.188
  C18:1-carnitine 0.385 0.006
  C18:2-carnitine 0.482 0.001
Dicarboxylic acylcarnitines  
  C4DC-carnitine 0.251 0.055
  C5DC-carnitine 0.388 0.006