Table 1.

Mean levels of serum tHcy and indicators of insulin resistance in fasting Mexican American men.

Variable	40–49 y	50–59 y	60–69 y	70–74 y
Fthcy, umol/L	9.1	9.2	10.8	11.3
FSI, pmol/L	76	77	77	60
FSG, mmol/L	5.9	6.0	5.9	5.5
FSCP, nmol/L	0.78	0.77	0.91	0.75
2 hr insulin, pmol/L	374	498	404	401
2 hr glucose, mmol/L	6.8	6.7	7.0	8.1
2 hr C-peptide, nmol/L	3.02	3.48	3.76	4.11
FTG, mmol/L	1.83	1.96	1.76	1.62
Age, yr	43	54	65	72
N	79	24	64	19

F, fasting; SI, serum insulin; SG, serum glucose; SCP, serum C-peptide; tHcy, total serum homocysteine; TG, serum triglyceride.