Research Article

Neonatal Hypoglycemia Related to Glycine Levels in Uncontrolled Gestational Diabetes Mellitus during Mid-Late Pregnancy: Multicenter, Prospective Case-Cohort Observational Study

Table 3

Blood tests on pregnant women and neonates.

All groupsGDMControl

HbA1c (24-28 weeks, %)<0.001
HbA1c (28-32 weeks, %)<0.001
HbA1c (32-36 weeks, %)<0.001
HbA1c (average before delivery, %)<0.001
Cord blood test (μM)
 Ala214.16 (160.26, 301.23)212.91 (160.3, 301.55)214.33 (160.23, 301.01)0.824
 Arg2.06 (1.34, 3.5)2 (1.38, 3.58)2.07 (1.33, 3.47)0.356
 Asp27.95 (19.38, 38.45)28.1 (19.51, 39.22)27.92 (19.36, 38.33)0.717
 Cit9.04 (7.35, 11.12)9.05 (7.3, 11.06)9.04 (7.35, 11.13)0.962
 Gln2.52 (1.39, 7.67)2.55 (1.41, 7.52)2.51 (1.38, 7.69)0.828
 Glu30.31 (2.29, 392.88)42.51 (2.25, 405.86)29.5 (2.3, 387.7)0.669
 His376.68 (218.92, 536.89)379.85 (218.63, 535.29)376.19 (218.92, 537.25)0.816
 Leu314.34 (125.43, 456.15)301.37 (112.69, 456.96)316.4 (128.63, 456.02)0.056
 Met28.43 (19.95, 39.82)27.87 (19.38, 39.51)28.5 (20.05, 39.9)0.463
 Orn87.64 (61.97, 111.26)85.71 (60.1, 110.02)87.92 (62.61, 111.36)0.184
 Phe27.07 (21.12, 40.02)27.66 (21.29, 43.02)26.99 (21.08, 39.43)0.142
 Ser61.43 (45.07, 87.31)63.63 (46.22, 89.01)61.03 (44.85, 86.95)0.054
 Thr49 (31.95, 67.83)48.9 (32.25, 66.37)49.01 (31.92, 68.14)0.926
 Trp85.6 (62.89, 109.61)84.87 (62.39, 110.19)85.66 (63.05, 109.47)0.560
 Tyr48.23 (34.32, 61.86)48.81 (34.03, 62.44)48.11 (34.38, 61.74)0.343
 Val56.06 (42.67, 71.32)56.79 (43.14, 71.62)55.79 (42.61, 71.23)0.157
Free carnitine54.75 (38.34, 71.5)54.84 (38.07, 73.18)54.72 (38.42, 71.22)0.962
Acetylcarnitine30.7 (20.81, 40.73)29.96 (19.94, 40.09)30.88 (20.99, 40.89)0.147
Propionylcarnitine4.22 (1.82, 19.04)4.22 (1.9, 18.43)4.22 (1.81, 19.15)0.986
Malonylcarnitine0.05 (0.04, 0.13)0.05 (0.04, 0.13)0.05 (0.04, 0.13)0.975
Butylcarnitine0.13 (0.09, 0.18)0.13 (0.09, 0.18)0.13 (0.09, 0.18)0.661
Succinylcarnitine0.19 (0.14, 0.26)0.19 (0.15, 0.26)0.19 (0.14, 0.26)0.847
3-Hydroxyisobutyryl-carnitine0.1 (0.07, 0.16)0.11 (0.07, 0.16)0.1 (0.07, 0.15)0.606
Senecioylcarnitine0.03 (0.02, 0.03)0.03 (0.02, 0.03)0.03 (0.02, 0.03)0.448
Glutarylcarnitine0.03 (0.02, 0.05)0.03 (0.02, 0.05)0.03 (0.02, 0.05)0.596
3-Hydroxyisovaleryl-carnitine0.14 (0.11, 0.17)0.13 (0.11, 0.17)0.14 (0.11, 0.17)0.849
Caproylcarnitine0.02 (0.01, 0.03)0.02 (0.01, 0.03)0.02 (0.01, 0.03)0.964
Hexenoylcarnitine0.01 (0.01, 0.01)0.01 (0.01, 0.01)0.01 (0.01, 0.01)0.059
Adipoylcarnitine0.03 (0.02, 0.04)0.03 (0.02, 0.04)0.03 (0.02, 0.04)0.341
Decoylcarnitine0.04 (0.02, 0.06)0.04 (0.02, 0.06)0.04 (0.02, 0.06)0.363
Octanedioylcarnitine0.02 (0.01, 0.02)0.02 (0.01, 0.02)0.02 (0.01, 0.02)0.421
Decanoylcarnitine0.04 (0.02, 0.07)0.04 (0.02, 0.07)0.04 (0.02, 0.07)0.579
Alkaloidcarnitine0.04 (0.02, 0.06)0.04 (0.02, 0.06)0.04 (0.02, 0.06)0.102
Lauroylcarnitine0.06 (0.04, 0.09)0.06 (0.04, 0.1)0.06 (0.04, 0.09)0.199
Myrcenecarnitine0.02 (0.01, 0.03)0.02 (0.01, 0.03)0.02 (0.01, 0.03)0.410
Myristoylcarnitine0.14 (0.11, 0.19)0.15 (0.11, 0.19)0.14 (0.11, 0.19)0.591
Alkenyl-myristoyl-carnitine0.05 (0.03, 0.08)0.05 (0.03, 0.08)0.05 (0.03, 0.08)0.226
3-Hydroxy-myristoyl-carnitine0.01 (0.01, 0.02)0.01 (0.01, 0.01)0.01 (0.01, 0.02)0.282
Palmitoyl-enoyl-carnitine0.09 (0.05, 0.13)0.09 (0.05, 0.13)0.09 (0.05, 0.13)0.877
3-Hydroxy-palmitoyl-carnitine0.01 (0.01, 0.02)0.01 (0.01, 0.02)0.01 (0.01, 0.02)0.428
3-Hydroxy-octadecanoyl-carnitine0.01 (0.01, 0.01)0.01 (0.01, 0.01)0.01 (0.01, 0.01)0.756

Data given as the in maternal glucose profiles and as the median (25th, 75th) in others. GDM: gestational diabetes mellitus; HbA1c: glycosylated haemoglobin; Ala: alanine; Arg: arginine; Asp: aspartic acid; Cit: citrulline; Gln: glutamine; Glu: glutamic acid; His: histidine; Leu: leucine; Met: methionine; Orn: ornithine; Phe: phenylalanine; Ser: serine; Thr: threonine; Trp: tryptophan; Tyr: tyrosine; Val: valine.