Intercase correlations of mast cell densities within the inner airway wall(WAi)# of 1–4 biopsies versus transverse sections
| Biopsies | Transverse sections | r¶ | pr | ICC | pICC | |||
| Number used | Count area | Count type | Count area | Count type | ||||
| 1 | WAi | 2D | WAi | 2D | 0.50 | ns | 0.45 | ns |
| 1 | WAi | 2D | WAi | 3D | 0.55 | ns | ||
| 1 | WAi | 3D | WAi | 2D | 0.35 | ns | ||
| 1 | WAi | 3D | WAi | 3D | 0.13 | ns | 0.12 | ns |
| 2 | WAi | 2D | WAi | 2D | 0.65 | <0.05 | 0.58 | <0.05 |
| 2 | WAi | 2D | WAi | 3D | 0.60 | ns | ||
| 2 | WAi | 3D | WAi | 2D | 0.61 | ns | ||
| 2 | WAi | 3D | WAi | 3D | 0.49 | ns | 0.47 | ns |
| 3 | WAi | 2D | WAi | 2D | 0.67 | <0.05 | 0.55 | <0.05 |
| 3 | WAi | 2D | WAi | 3D | 0.70 | <0.05 | ||
| 3 | WAi | 3D | WAi | 2D | 0.60 | ns | ||
| 3 | WAi | 3D | WAi | 3D | 0.57 | ns | 0.60 | <0.05 |
| 4 | WAi | 2D | WAi | 2D | 0.73 | <0.05 | 0.73 | <0.005 |
| 4 | WAi | 2D | WAi | 3D | 0.65 | <0.05 | ||
| 4 | WAi | 3D | WAi | 2D | 0.82 | <0.005 | ||
| 4 | WAi | 3D | WAi | 3D | 0.68 | <0.05 | 0.68 | <0.01 |
r: Pearson correlation coefficient; pr: probability of Pearson r; ICC: intraclass correlation coefficient; pICC: probability of intraclass correlation coefficient; 2D: two dimensional (cells·mm-2); 3D: three dimensional (cells·mm-3); ns: nonsignificant. #: one randomly selected biopsy per case, or the mean of two, three or four randomly selected biopsies per case, were used; ¶: correlations were with case means over the WAi on all transverse sections.