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Comparison of Bias Measures (FSM vs HemoCue)
| Mean absolute difference | ||||||
|---|---|---|---|---|---|---|
| FS-YSI | HemoCue-YSI | Paired difference (t-test p value) | ||||
| Measure | N | Mean | SD | Mean | SD | |
| Absolute difference (mg/dl) | 420 | 13.0 | 10.7 | 15.7 | 12.5 | -2.6 (p < .0001) |
| Absolute percent difference (%) | 420 | 5.8 | 4.5 | 6.8 | 4.8 | -0.94 (p = .0013) |
| Median absolute difference | |||||
|---|---|---|---|---|---|
| FS-YSI | HemoCue-YSI | Wilcoxon Rank Sum p value | |||
| Measure | N | Median | Median | ||
| Absolute difference (mg/dl) | 420 | 11.0 | 13.0 | .0025 | |
| Absolute percent difference (%) | 420 | 4.9 | 6.1 | .0023 | |
