Table 2.
Matched-pairs comparisons of hematologic parameters in capillary and venous blood.
| Parameter | Capillary blood | Venous blood | P | Absolute error | Absolute error 5th−95th percentile |
|---|---|---|---|---|---|
| Hemoglobin, g/dL | 12.5 (11.9–13.5) | 12.2 (11.5–13.1) | <10−12 | 0.4 (0.4–0.6) | 0–1.3 |
| RBC count, T/L | 4.7 (4.4–4.9) | 4.5 (4.2–4.7) | <10−19 | 0.2 (0.1–0.4) | 0–0.5 |
| Hematocrit, % | 35.9 (33.9–38.8) | 34.9 (33.1–37.5) | <10−9 | 1.2% (0.6–2.4) | 0.1–5.2 |
| WBC count, G/L | 9.8 (7.2–13.4) | 10.0 (7.4–13.5) | 0.66 | 0.9 (0.4–1.8) | 0–4.0 |
| Platelet count, G/L | 300 (247–360) | 291 (246–379) | 0.04 | 18 (8—33) | 1–112 |
Median values (1st−3rd quartiles) are presented. The Wilcoxon test was applied.