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Table 1 Range of possible scores for each instrument

From: Performance of EQ-5D, howRu and Oxford hip & knee scores in assessing the outcome of hip and knee replacements

Measure Use Minimum score Maximum score
OHS Hip replacement 0 48
OKS Knee replacement 0 48
EQ-5D Index Generic −0.594 1.0
EQ-VAS Generic 0 100
HowRu Generic 0 12