| Regression line | r | p-value |
Disease duration vs Norm BV% | Y = 1.023X + 74.45 | 0.27 | ns |
Disease duration vs Norm RBC V% | Y = 1.107X + 74.31 | 0.27 | ns |
Disease duration vs Norm PV% | Y = 0.8748X + 75.65 | 0.23 | ns |
Disease duration vs BV/kg | Y = −0.2604X + 61.38 | 0.10 | ns |
Disease duration vs RBC V/kg | Y = −0.0730X + 20.95 | 0.07 | ns |
Disease duration vs PV/kg | Y = −0.2955X + 41.21 | 0.17 | ns |