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 |