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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%)