Table 2.
Molecular microscope results at the time of rejection and correlations with concurrent clinical, histologic, and immunologic parameters
| Parameters | ABMR Molecular Score | Endothelial DSA-Selective Transcripts |
|---|---|---|
| Clinical parameters | ||
| eGFR at time of biopsy, µmol/L | 0.002 | 0.009 |
| Proteinuria at the time of biopsy, g/L | 0.030 | 0.076 |
| Immunologic parameters | ||
| Class II or I DSA MFImax at the time of rejection | 0.442a | 0.273b |
| Histologic parameters | ||
| g score | 0.036 | 0.030 |
| ptc score | 0.171 | 0.207 |
| Interstitial inflammation score | −0.087 | −0.031 |
| Tubulitis score | −0.227 | −0.094 |
| Interstitial fibrosis/tubular atrophy score | 0.247b | 0.119 |
| Arterial fibrous intimal thickening score | 0.112 | −0.084 |
| cg score | 0.135 | 0.242b |
| Mesangial matrix expansion score | 0.254b | 0.287b |
| C4d deposition in graft capillaries (C4d Banff score) | 0.328b | 0.181 |
| Humoral histologic score (g+ptc+v+cg+C4d) | 0.069 | 0.163 |
| Molecular parameters | ||
| ABMR Molecular Score | 1.000 | 0.737a |
| Endothelial DSA-selective transcripts | 0.737a | 1.000 |
| NK transcripts | 0.841a | 0.613a |
| T-cell transcripts | 0.123 | 0.172 |
| AKI score | 0.171 | 0.125 |
P<0.01 (Spearman correlations with Bonferroni correction for multiple comparisons).
P<0.05 (Spearman correlations with Bonferroni correction for multiple comparisons).