Table 5.

Correlation coefficients investigating the relationship between changes in meanPAvel and changes in comparator parameters over time

Comparator parameter	meanPAvel at rest	P value	meanPAvel during hyperemia	P value
ΔRVEF	0.40 [−0.05 to 0.72]	0.08	0.63** [0.23 to 0.85]	0.005
ΔRVESVI	−0.23 [−0.61 to 0.24]	0.34	−0.50* [−0.78 to −0.05]	0.03
ΔNTpBNP	−0.30 [−0.71 to 0.20]	0.26	−0.52* [−0.82 to −0.01]	0.04
ΔPVRI	−0.07 [−0.64 to 0.55]	0.84	−0.39 [−0.82 to 0.32]	0.27
ΔCI	0.50 [−0.14 to 0.85]	0.12	0.62* [−0.02 to 0.90]	0.05
Δ6MWD	0.26 [−0.25 to 0.66]	0.31	0.30 [−0.27 to 0.72]	0.30
ΔVA coupling	−0.28 [−0.64 to 0.18]	0.23	−0.44 [−0.74 to 0.02]	0.06

[95% confidence interval]

*P < 0.05

**P < 0.01