Table 2.
Comparison of Friedewald LDL-C and de Cordova LDL-C with direct LDL-C at different level of TG.
| LDL-C measurement | Mean ± SD (mg/dL) | Mean Difference | Correlation Coefficient (P-Value) |
|---|---|---|---|
| TG <100 (n=187) | |||
| Direct LDL-C | 107.43 ± 35.1 | NA | NA |
| Friedewald LDL-C | 101.57 ± 34.4 | 5.86 | r = 0.95 (<0.01) |
| de Cordova LDL-C | 87.58 ± 26.3 | 19.85 | r = 0.95 (<0.01) |
| TG 100–200 (n=240) | |||
| Direct LDL-C | 123.36 ± 37.8 | NA | NA |
| Friedewald LDL-C | 109.9 ± 35.8 | 13.46 | r = 0.94 (<0.01) |
| de Cordova LDL-C | 103.26 ± 27.6 | 20.10 | r = 0.94 (<0.01) |
| TG 200–400 (n=91) | |||
| Direct LDL-C | 132.6 ± 41.7 | NA | NA |
| Friedewald LDL-C | 111.83 ± 37.5 | 20.77 | r = 0.90 (<0.01) |
| de Cordova LDL-C | 122.76 ± 29.5 | 9.84 | r = 0.87 (<0.01) |
| TG >400 (n=20) | |||
| Direct LDL-C | 112.6 ± 43.3 | NA | NA |
| Friedewald LDL-C | 81.71 ± 44.5 | 30.89 | r = 0.89 (<0.01) |
| de Cordova LDL-C | 141.18 ± 34.3 | 28.58 | r = 0.71 (<0.01) |