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Bland-Altman analysis of intraobserver bias in sputum cell counts
| Neutrophils, ×106 cells/g | Eosinophils, ×106 cells/g | Macrophages, ×106 cells/g | |
|---|---|---|---|
| Intra-observer bias, ±1.96 STD | 0.06±0.18 | 0.002±0.029 | −0.04±0.14 |
| Intraclass correlation coefficient (95% CI) | 0.9988 (0.9957 to 0.9996) | 0.916 (0.802 to 0.966) | 0.9995 (0.9980 to 0.9998) |
STD Standard deviation of the difference
