Differences between repeated lipid profile measurements in a tertiary hospital over a short time period

Table 2 Pearson (r) intercorrelations between repeated non-HDL-C, HDL-C, TG and glucose and the four LDL-C calculations

Calculation method	Non-HDL-C			HDL-C			TG			Glucose
Calculation method	M	F	T	M	F	T	M	F	T	M	F	T
Friedewald	0.70^****	0.54^****	0.68^****	0.53^****	0.20^**	0.46^****	0.15^**	0.17^**	0.15^***	0.08^*	0.28^**	0.09^*
Sampson/NIH	0.49^****	0.65^****	0.48^****	0.22^****	0.25^***	0.22^****	0.07^*	0.26^***	0.09^*	0.11^*	0.11^*	0.07^*
Martin/Hopkins	0.87^****	0.90^****	0.86^****	0.39^****	0.25^***	0.35^****	0.10^*	0.12^*	0.10^**	0.05^*	0.39^****	0.09^*
de-Cordova	0.77^****	0.79^****	0.75^****	0.34^****	0.23^***	0.33^****	0.14^**	0.02^*	0.11^**	0.13^*	0.07^*	0.05^*

HDL-high-density lipoprotein; TG = triglycerides; M = male; F = female; T = total
The numbers denote the Pearson intercorrelations. r = 1.0 means a strong correlation; r = 0.0 means no correlation
*P = nonsignificant, ^**P ≤ 0.05, ^***P ≤ 0.01, ^****P ≤ 0.001

ISSN: 1476-511X