Table 4.
Interclass and intraclass correlation coefficients for interstitial fibrosis, podocyte vacuoles and podocyte GL-3 inclusions
| Scoring (n) | Mean (%) | SD | Median | Minimum | Maximum |
|---|---|---|---|---|---|
| Morphometric score (59) | 16.22 | 22.94 | 6.00 | 0 | 89.0 |
| Average semi-quantitative score (59) | 17.01 | 10.56 | 8.33 | 0 | 75.0 |
| Spearman's interclass correlation coefficient = 0.871, P < 0.001 | |||||
| Scoring (scale) | Mean (%) | SD | Median | Minimum | Maximum |
| Podocyte vacuoles (1–3) | 2.19 | 0.80 | 2.5 | 0 | 3.00 |
| Podocyte inclusions (1–4) | 2.95 | 1.21 | 3.4 | 0 | 4.00 |
| Spearman's interclass correlation coefficient = 0.5774, P < 0.0001 | |||||
| Scoring (n) | Variance of cases (V) (SE) | Residual variance (R) (SE) | ICC (V/V+R) | Within case variance(1-ICC)/ICC | |
| Interstitial fibrosis score (59) | 340.3 (71.8)* | 180.1 (18.9)* | 0.6539 | 52.9% | |
| Podocyte vacuoles (59) | 0.557 (0.119)* | 0.235 (0.0310)* | 0.7030 | 42.2% | |
| Podocyte inclusions (57) | 1.344 (0.278)* | 0.3443 (0.047)* | 0.7961 | 25.7% | |
*P < 0.0001.
ICC, intraclass correlation coefficient; R, residual variance; V, variance of cases.