Table. Distribution of Lipid Results for Internal and External Databases.
| Database | Range | Mean (SD) | Median (25th-75th Percentile) | Skewness | Kurtosis |
|---|---|---|---|---|---|
| NIH (N = 18 715) | |||||
| HDL-C, mg/dL | 5-102 | 40.8 (15.7) | 39 (30-50) | 0.6 | 0.6 |
| TC, mg/dL | 78-759 | 246.8 (87.9) | 232 (186-288) | 1.4 | 3.2 |
| TG, mg/dL | 38-3162 | 273.8 (392.9) | 149 (98-253) | 3.9 | 17.9 |
| Non–HDL-C, mg/dL | 53-734 | 206 (89.8) | 190 (144-248) | 1.4 | 3.4 |
| BQ LDL-C, mg/dL | 10-707 | 158.6 (83.0) | 143 (103-199) | 1.5 | 4.4 |
| Mayo Clinic (N = 27 646) | |||||
| HDL-C, mg/dL | 1-201 | 46.3 (15.0) | 44 (36-54) | 1.0 | 3.0 |
| TC, mg/dL | 45-1830 | 193.6 (58.1) | 188 (157-223) | 3.3 | 57.0 |
| TG, mg/dL | 26-2690 | 164.7 (140.0) | 127 (87-195) | 5.1 | 50.8 |
| Non–HDL-C, mg/dL | 22-1810 | 147.2 (56.4) | 140 (111-175) | 3.8 | 68.5 |
| BQ LDL-C, mg/dL | 9-1775 | 117.7 (47.1) | 112 (88-141) | 5.1 | 118.1 |
| Pacific Biomarker (N = 1245) | |||||
| HDL-C, mg/dL | 24-169 | 70.0 (27.7) | 64 (47-89) | 0.6 | -0.3 |
| TC, mg/dL | 87-329 | 173.1 (35.4) | 170 (150-194) | 0.5 | 0.6 |
| TG, mg/dL | 27-785 | 113.6 (67.5) | 98 (70-135) | 2.8 | 14.9 |
| Non–HDL-C, mg/dL | 35-292 | 103.1 (36.3) | 99 (77-123) | 1.0 | 1.8 |
| BQ LDL-C, mg/dL | 21-222 | 87.0 (31.4) | 84 (64-106) | 0.7 | 0.6 |
| Prism Health Dx Inc (N = 21 206) | |||||
| HDL-C, mg/dL | 10-190 | 53.3 (15.9) | 51 (42-62) | 1.0 | 2.1 |
| TC, mg/dL | 56-1134 | 188.7 (47.8) | 185 (157-215) | 1.7 | 17.1 |
| TG, mg/dL | 22-2779 | 152.9 (144.8) | 114 (79-171) | 5.5 | 54.3 |
| Non–HDL-C, mg/dL | 3-1100 | 135.4 (46.8) | 130 (103-160) | 2.0 | 20.5 |
| Beckman dLDL-C, mg/dL | 10-1214 | 113.3 (39.4) | 110 (86-136) | 2.4 | 46.3 |
| LabCorp (N = 231 682) | |||||
| HDL-C, mg/dL | 5-180 | 51 (15.8) | 48 (40-60) | 1.0 | 1.8 |
| TC, mg/dL | 47-890 | 184 (44.6) | 180 (152-210) | 0.8 | 2.7 |
| TG, mg/dL | 16-2797 | 171 (156.3) | 127 (88-194) | 4.9 | 43.1 |
| Non–HDL-C, mg/dL | 11-874 | 133 (44.0) | 128 (101-157) | 1.1 | 3.8 |
| Roche dLDL-C, mg/dL | 3-618 | 109 (37.4) | 106 (82-132) | 0.7 | 1.6 |
Abbreviations: BQ, β-quantification; dLDL-C, direct low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; LabCorp, Laboratory Corporation of America Holdings; LDL-C, low-density lipoprotein cholesterol; NIH, National Institutes of Health; TC, total cholesterol; TGs, triglycerides.
SI conversion factors: To convert total cholesterol, HDL-C, non–HDL-C, LDL-C, and dLDL-C to millimoles per liter, multiply by 0.0259; and TGs to millimoles per liter, multiply by 0.0113.