Table 2.

Estimated LVEDP from the extrapolation of the exponential D-PVR to the corresponding EDV and the estimated slope of the EDPVR in all subjects compared with the measured LVEDP

Subject NumberAveraged Estimated LVEPD, mmHgAveraged Measured LVEDP, mmHgAveraged Error of Estimation, mmHgP Value Between Estimated and Measured LVEDP
115205<0.01
29145<0.05
311155<0.01
415150NS
5770NS
624251NS
718213<0.05
816193<0.05
917181NS
1010144<0.001
1118224<0.01
1215193<0.001
13682<0.001
1417203<0.05
159134<0.001
1617192<0.05
1718191NS
1811155<0.001
1910144<0.01
2017202<0.05
2115172NS
2216193NS
2319267<0.001
2418201NS
25183114<0.001
2615183<0.001
2718246<0.001
2817180NS
292314−9<0.001
3021287<0.001
3113141NS
  • Due to rounding, the difference between averaged estimated LVEDP and measured LVEDP may not equal the averaged error of estimation. D-PVR, diastatic pressure-volume (P-V) relationship; NS, not significant.