Repeatability: intraclass correlation coefficients and geometric coefficients of variation
| Eosinophil differential count | Eosinophil total count | Total cell count | ECP | |
| Intraclass correlation coefficient (R) | ||||
| within subject (between days) | 0.93 | 0.90 | 0.63 | 0.92 |
| between observer (two observers) | 0.98 | – | – | – |
| within sample (two preparations) | 0.82 | – | – | – |
| Geometric coefficient of variation (%) within sample | 29 | 43 | 79 | 65 |