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Bland-Altman analysis of interobserver bias in sputum cell counts
| Neutrophils, ×106 cells/g | Eosinophils, ×106 cells/g | Macrophages, ×106 cells/g | |
|---|---|---|---|
| Interobserver bias, ±1.96 STD | −0.20±0.61 | 0.20±0.61 | 0.18±0.82 |
| Intraclass correlation coefficient (95% CI) | 0.989 (0.973 to 0.996) | 0.963 (0.906 to 0.985) | 0.959 (0.897 to 0.984) |
STD Standard deviation of the difference
