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Table 8 Preference weights for NYHA Classes II and III

From: Development and validation of a preference based measure derived from the Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) for use in cost utility analyses

Mean (SD) utility value CAMPHOR EQ-5D SF-6D
  Time 1 Time 2   
NYHA Class II 0.70 (0.24) 0.66 (0.29) 0.69 (0.24) 0.67 (0.10)
NYHA Class III 0.48 (0.24) 0.45 (0.24) 0.59 (0.24) 0.60 (0.10)
Difference 0.22 0.20 0.10 0.07
Effect size if patients move from Class III to Class II 0.92 0.71 0.42 0.70