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Table 3 Comparison of FACT-G, FLIC and EORTC QLQ-C30 total/global functioning scores by presentation order(a)

From: Order effects: a randomised study of three major cancer-specific quality of life instruments

 

FACT-G

FLIC

EORTC QLQ-C30

 

Order A (N = 445)

Order B (N = 390)

Order A (N = 378)

Order B (N = 436)

Order A (N = 433)

Order B (N = 428)

Mean

85.92

83.48

123.56

124.18

63.68

67.11

Difference in means (95% CI)

2.44 (0.66 to 4.24)

-0.62 (-3.20 to 1.97)

-3.43 (-5.87 to -0.99)

SD

15.44

15.94

21.84

22.79

21.69

21.83

  1. (a)Order A and order B mean, respectively, the HRQoL instrument was placed first and second in the questionnaire.