Targeted quantification of N-1-(carboxymethyl) valine and N-1-(carboxyethyl) valine peptides of β-hemoglobin for better diagnostics in diabetes

Table 2 Correlations of glycated peptides of Hb with fasting blood glucose, postprandial blood glucose, HbA1c, serum triglyceride, LDL, HDL, cholesterol, VLDL, creatinine and microalbuminuria by Pearson’s correlation method

Sl. No.	Chain, glycation site and type of modification	Precursor m/z	Fasting blood glucose	Postprandial blood glucose	HbA1c	HDL	MIC
1	α-K-11-CML	436.491	0.423*	0.474**	0.569***	−0.3514	0.126
2	α-K-90-CML	665.54	0.411*	0.499**	0.546***	−0.326	−0.0284
3	α-K-90-CEL	668.34	0.406	0.515	0.554	−0.338	−0.0323
4	β-V-1-DFV	557.75	−0.05	0.284*	0.283*	−0.317	0.132
5	β-V-1-CMV	505.75	0.515**	0.696***	0.729***	−0.362	0.305
6	β-V-1-CEV	512.75	0.304*	0.673***	0.549***	−0.332	0.089
7	β-V-1-CMV, K-8-CML and K-17	1112.56	0.384*	0.475**	0.540***	−0.383	0.093
8	β-K-61-CEL	792.04	0.376*	0.657***	0.692***	−0.375	0.225
9	β-K-144-CML	754.4	0.379*	0.569***	0.650***	−0.320	0.229

ISSN: 1559-0275