Eliciting health state utilities for Dupuytren’s contracture using a discrete choice experiment

Figures & data

Table 1. Attributes (8 joints) and levels (3 degrees of contracture) used in the DCE design

Attributes	Levels
Joint #1: index finger, PIP joint	0, 45, 90
Joint #2: index finger, MCP joint	0, 45, 90
Joint #3: middle finger, PIP joint	0, 45, 90
Joint #4: middle finger, MCP joint	0, 45, 90
Joint #5: ring finger, PIP joint	0, 45, 90
Joint #6: ring finger, MCP joint	0, 45, 90
Joint #7: little finger, PIP joint	0, 45, 90
Joint #8: little finger, MCP joint	0, 45, 90

Table 2. Tubiana stages

Stage	Description
0	(PIP+MCP) = 0
1	0 < (PIP+MCP) ≤ 45
2	45 < (PIP+MCP) ≤ 90
3	90 < (PIP+MCP) ≤ 135
4	135 < (PIP+MCP) ≤ 180

Ref: Tubiana 1999

Figure 1. Sample DCE question for pairwise hand comparisons.

Figure 2. The “worst” hands (right and left) used for anchoring.

Figure 3. Utility rescaling method.

Figure 4. Rescaled EQ-5D-5L utilities for 52 DCE survey hands.

Figure 5. Average utilities for Tubiana stage combinations of the little and ring finger.

Tubiana R. Dupuytren‘s disease of the radial side of the hand. Hand Clin 1999; 15 (1): 149-59.

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