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Table 2 False positive rate detected by the Improved RIDIT and MWW relative to nominal α = 0.05 using simulation under the null hypothesis. Three examples of distributions under H0 were used according to the level frequency profiles in Fig. 1

From: Improved RIDIT statistic approach provides more intuitive and informative interpretation of EQ-5D data

Sample sizes H0 profile, Fig. 1a H0 profile, Fig. 1b H0 profile, Fig. 1c
Improved RIDIT MWW Improved RIDIT MWW Improved RIDIT MWW
30, 30 0.0482 0.0511 0.0498 0.0505 0.0502 0.0523
30, 50 0.0428 0.0454 0.0491 0.0516 0.0458 0.0468
30, 100 0.0497 0.0519 0.0462 0.0482 0.0452 0.0478
30, 200 0.0445 0.0473 0.0475 0.0497 0.0482 0.0504
30, 300 0.0452 0.0474 0.0478 0.0499 0.0454 0.0474
50, 30 0.0476 0.0483 0.0486 0.0490 0.0431 0.0446
50, 50 0.0468 0.0486 0.0489 0.0509 0.0491 0.0541
50, 100 0.0477 0.048 0.0494 0.0534 0.0454 0.0470
50, 200 0.0442 0.0463 0.0492 0.0509 0.0498 0.0542
50, 300 0.0478 0.0495 0.0464 0.0483 0.0476 0.0492
100, 30 0.0483 0.0503 0.0481 0.0501 0.0454 0.0471
100, 50 0.0451 0.0463 0.0428 0.0446 0.0496 0.0504
100, 100 0.0449 0.0467 0.0451 0.0474 0.0482 0.0505
100, 200 0.0479 0.0499 0.0474 0.0498 0.0478 0.0495
100, 300 0.0501 0.0543 0.0455 0.0468 0.0492 0.0535
200, 30 0.0496 0.0503 0.0486 0.0490 0.0496 0.0501
200, 50 0.0421 0.0441 0.0494 0.0529 0.0473 0.0485
200, 100 0.0487 0.0500 0.0467 0.0489 0.0462 0.0487
200, 200 0.0462 0.0485 0.0469 0.0489 0.0483 0.0501
200, 300 0.0494 0.0526 0.0475 0.0489 0.0499 0.0510
300, 30 0.0451 0.0475 0.0461 0.0483 0.0482 0.0510
300, 50 0.0467 0.0489 0.0496 0.0505 0.0492 0.0509
300, 100 0.0492 0.0530 0.0471 0.0494 0.0497 0.0483
300, 200 0.0487 0.0495 0.0475 0.0487 0.0491 0.0505
300, 300 0.0497 0.0511 0.0462 0.0475 0.0494 0.0509