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Table 2 Number of participants who increased or decreased their EQ-VAS self report by 5 points or more after exposure to either good or poor health state descriptors as well as after both sets of descriptors.

From: Reference bias: presentation of extreme health states prior to eq-vas improves health-related quality of life scores. a randomised cross-over trial

  Group 1 n = 77 Group 2 n = 74
  Number (%) Increase ≥5 points Number (%) Decrease ≥5 points Number (%) Either direction ≥5points Number (%) Increase ≥5 points Number (%) Decrease ≥5 points Number (%) Either direction ≥5points
Good health descriptors (Description-A) 29 (38%) 24 (31%) 53 (69%) 11 (15%) 25 (34%) 36 (49%)
Poor health descriptors (Description-B) 37 (48%) 14 (18%) 51 (66%) 45 (61%) 8 (11%) 53 (72%)
After both Description A and B (compared with baseline EQ-VAS) 39 (51%) 12 (16%) 51 (66%) 40 (54%) 15 (20%) 55 (74%)