Staging of WHIRI | Cases | Mean R2* | Z | P |
---|---|---|---|---|
S0 | 10 | 105.96 ± 10.09 | -4.535 | < 0.001 |
≥S1 | 40 | 143.46 ± 24.77 | ||
≤S1 | 20 | 115.99 ± 12.88 | -4.673 | < 0.001 |
≥S2 | 30 | 149.27 ± 26.02 | ||
≤S2 | 30 | 119.79 ± 12.75 | -5.406 | < 0.001 |
≥S3 | 20 | 160.21 ± 24.89 | ||
≤S3 | 40 | 124.09 ± 13.75 | -4.851 | < 0.001 |
S4 | 10 | 183.44 ± 7.66 |