Table 4 Carnitine profile according to the number of embryos [μmol/L] [median (interquartile range)]
Serum embryo number | Follicular fluid embryo number | |||
|---|---|---|---|---|
≤ 6 N=28 | >6 N=14 | ≤ 6 N=28 | >6 N=14 | |
Analytes | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) |
free carnitine | 28.623 (6.217) | 24.955 (4.592)* | 28.698 (4.914) | 25.887 (5.559) # |
Total acyl-carnitine | 9.148 (2.2399 | 8.605 (1.500) | 7.905 (1.713) | 6.938 (1.972) |
Total carnitine | 37.100 (6.500) | 32.739 (4.708)* | 36.912 (5.838) | 32.956 (6.978) |
AC/FC ratio | 0.317 (0.0749 | 0.333 (0.072) | 0.279 (0.047) | 0.281 (0.065) |
Total short-chain acylcarnitines | 7.893 (1.4489 | 7.598 (1.676) | 7.316 (1.633) | 6.482 (1.900) |
Total medium-chain acylcarnitine | 0.722 (0.2669 | 0.619 (0.242) | 0.318 (0.121) | 0.276 (0.073) |
Total long-chain acylcarnitine | 0.346 (0.051) | 0.313 (0.093) | 0.140 (0.024) | 0.127 (0.042) |
Short chain acylcarnitines | ||||
C2-carnitine | 7.393 (1.445) | 7.470 (1.123) | 6.805 (1.525) | 6.053 (1.844) |
C3-carnitine | 0.183 (0.083) | 0.183 (0.058) | 0.218 (0.071) | 0.178 (0.048) |
C4-carnitine | 0.143 (0.063) | 0.135 (0.052) | 0.177 (0.085) | 0.150 (0.032) |
C5-carnitine | 0.060 (0.023) | 0.048 (0.019) | 0.053 (0.013) | 0.048 (0.012) |
C5-OH carnitine | 0.023 (0.010) | 0.030 (0.010) | 0.020 (0.007) | 0.018 (0.003) |
Medium chain acylcarnitines | ||||
C6-carnitine | 0.028 (0.013) | 0.025 (0.008) | 0.020 (0.013) | 0.020 (0.003) |
C8-carnitine | 0.102 (0.036) | 0.087 (0.046) | 0.060 (0.023) | 0.050 (0.025) # |
C8:1-carnitine | 0.037 (0.018) | 0.035 (0.025) | 0.030 (0.018) | 0.030 (0.026) |
C10-carnitine | 0.220 (0.138) | 0.206 (0.095) | 0.073 (0.026) | 0.055 (0.027) # |
C10:1-carnitine | 0.163 (0.067) | 0.140 (0.030) | 0.073 (0.028) | 0.070 (0.020) |
C12-carnitine | 0.058 (0.022) | 0.056 (0.020) | 0.020 (0.004) | 0.020 (0.006) |
C12:1-carnitine | 0.068 (0.025) | 0.058 (0.019) | 0.022 (0.013) | 0.020 (0.010) |
Long chain acylcarnitines | ||||
C14-carnitine | 0.023 (0.010) | 0.022 (0.009) | 0.010 (0.004) | 0.010 (0.003) |
C14:1-carnitine | 0.056 (0.023) | 0.042 (0.030)* | 0.020 (0.011) | 0.017 (0.007) |
C16-carnitine | 0.088 (0.026) | 0.080 (0.0239 | 0.038 (0.008) | 0.040 (0.012) |
C18-carnitine | 0.033 (0.010) | 0.028 (0.016) | 0.013 (0.007) | 0.013 (0.009) |
C18:1-carnitine | 0.093 (0.029) | 0.085 (0.040) | 0.035 (0.011) | 0.030 (0.013) |
C18:2-carnitine | 0.055 (0.015) | 0.047 (0.020) | 0.020 (0.007) | 0.020 (0.012) |
Dicarboxylic acylcarnitines | ||||
C4DC-carnitine | 0.028 (0.017) | 0.030 (0.008) | 0.023 (0.010) | 0.027 (0.007) # |
C5DC-carnitine | 0.092 (0.040) | 0.078 (0.024) | 0.055 (0.021) | 0.050 (0.013) |