Table 3.
Summary of mean hemoglobin difference (g/dL), SE, SD, and 95% CI for each of the instruments, against the reference (Coulter LH750) for all 68 samples.
| Instrument | Mean Difference | SE | SD | 95% CI |
|---|---|---|---|---|
| Gem 3000 | 1.430882 | 0.0480186 | 0.3959712 | 1.335037–1.526728 |
| ABL 720 | −0.223529 | 0.0291162 | 0.240098 | −0.2816455 to −0.1654133 |
| ABL 77 | 0.341177 | 0.0701258 | 0.5782722 | 0.2012048–0.4811482 |
| Rapidpoint 405 | 0.001471 | 0.0248342 | 0.2047879 | −0.0480986–0.0510399 |
| IL 682 | −0.136765 | 0.0281804 | 0.2323818 | −0.1930131 to 0.0805163 |
| GemOPL | 0.773529 | 0.0517311 | 0.4265858 | 0.6702737–0.8767852 |
| Hb 201+ | 0.110294 | 0.0635205 | 0.5238035 | −0.0164933–0.2370817 |
| Manual | 0.547059 | 0.0605241 | 0.4990949 | 0.4262521–0.6678655 |