Analysis of concordance between calculated and BQ derived LDL-C values for the LDL-C threshold of 70 mg/dL (1.81 mmol/L)2
| n (%) of LDL-C Pairs | BQ: <1.81 mmol/L/<70 mg/dL (%) | BQ: ≥1.81 mmol/L/≥70 mg/dL (%) | Total |
| Friedewald <70 mg/dL/<1.81 mmol/L | 6095 (94.7) | 341 (5.3) | 6436 |
| Friedewald ≥70 mg/dL/≥1.81 mmol/L | 282 (2.7) | 10 359 (97.3) | 10 641 |
| Total | 6377 | 10 700 | 17 077 |
| Martin/Hopkins <70 mg/dL/<1.81 mmol/L | 5853 (97.4) | 154 (2.6) | 6007 |
| Martin/Hopkins ≥70 mg/dL/≥1.81 mmol/L | 524 (4.7) | 10 546 (95.3) | 11 070 |
| Total | 6377 | 10 700 | 17 077 |
| Sampson -NIH equation 2 <70 mg/dL/<1.81 mmol/L | 5960 (96.9) | 191 (3.1) | 6151 |
| Sampson-NIH equation 2 ≥70 mg/dL/≥ 1.81 mmol/L | 417 (3.8) | 10 509 (96.2) | 10 926 |
| Total | 6377 | 10 700 | 17 077 |
BQ, beta-quantification; LDL-C, low-density lipoprotein-cholesterol; NIH, National Institutes of Health.