Table 5.
Mean Absolute Relative Difference Results for All Samples (Secondary Analyses)
| Blood glucose meter | Glucose concentration ≥70 mg/dl (n = 190)a | Glucose concentration >70 mg/dl (n = 198) | Overall glucose concentration (23.5–386 mg/dl) | |||||||||||||
| Fresh (natural) samples (n = 146) | Glycolyzed samples (n = 242) | |||||||||||||||
| MARD, % | 95% Confidence interval | Standard error, % | P valueb | MARD, % | 95% Confidence interval | Standard error, % | P valueb | MARD, % | 95% Confidence interval | Standard error, % | P valueb | MARD, % | 95% Confidence interval | Standard error, % | P valueb | |
| EZ | 0.65 | -5.5 to 6.8 | 3.1 | Not applicable | 5.5 | 0.7 to 10.3 | 2.4 | Not applicable | 8.9 | 4.5 to 13.3 | 2.2 | Not applicable | 11.2 | 4.8 to 17.5 | 3.3 | Not applicable |
| ACAP | 2.5 | -3.6 to 8.7 | 3.1 | 3.1 × 10-9 | 6.9 | 2.1 to 11.6 | 2.4 | 9.6 × 10-5 | 10.3 | 5.9 to 14.7 | 2.2 | 4.8 × 10–4 | 12.9 | 6.5 to 19.3 | 3.3 | 2.0 × 10-9 |
| FFL | 18.3 | 12.1 to 24.4 | 3.1 | 8.0 × 10-11 | 15.3 | 10.5 to 20.0 | 2.4 | 7.4 × 10-11 | 18.5 | 14.1 to 22.9 | 2.2 | 9.7 × 10-11 | 27.2 | 20.8 to 33.5 | 3.3 | 4.2 × 10-11 |
| OTU2 | 22.4 | 16.2 to 28.6 | 3.1 | 8.0 × 10-11 | 21.3 | 16.5 to 26.1 | 2.4 | 7.4 × 10-11 | 24.5 | 20.2 to 28.9 | 2.2 | 9.7 × 10-11 | 31.6 | 25.3 to 38.0 | 3.3 | 4.2 × 10-11 |
| TT | 33.2 | 27.1 to 39.4 | 3.1 | 8.0 × 10-11 | 16.3 | 11.5 to 21.1 | 2.4 | 7.4 × 10-11 | 17.7 | 13.3 to 22.1 | 2.2 | 9.7 × 10-11 | 40.3 | 33.9 to 46.7 | 3.3 | 4.2 × 10-11 |
a
Of the 190 blood samples with glucose concentrations <70 mg/dl, 6 samples were fresh (natural) and 184 samples were glycolyzed.
b
Versus the EZ BGMS as determined using Tukey’s honestly significant difference methodology.