Table 4.

Mean VAS Scores for All Health States (Best to Worst)

Health States	VAS Score	SD	95% Confidence Intervals
WHO Functional class II	65.74	15.13	63.62–67.85
BPA procedure and recovery	56.92	21.08	53.97–59.86
PEA surgery and recovery	53.56	19.73	50.80–56.32
WHO Functional class III	44.22	18.81	41.59–46.85
WHO Functional class IV	24.30	20.56	21.42–27.17
PH-related Hospitalization	20.82	20.35	17.97–23.66

Abbreviations: BPA, balloon pulmonary angioplasty; PEA, pulmonary endarterectomy.