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. Author manuscript; available in PMC: 2018 Mar 13.
Published in final edited form as: Biostat Epidemiol. 2017 Jun 2;1(1):36–58. doi: 10.1080/24709360.2017.1331821

Table 5.

Weights and total sample sizes required for 80% power to detect specified effect sizes (ES) at Year 3 in each combined marker composed of MMSE (individual marker associated with smallest sample sizes) and each remaining individual marker from the DIAN data.

MMSE MMSE MMSE MMSE MMSE
PAPER PAIRBINDING WORDDEL DIGSYM BOSTON

Estimated 0.7283 0.5397 0.9507 0.7462 0.4992
weights 0.2692 0.1218 0.4532 0.1803 0.0763

ES

20% 536 576 583 1133 1137

25% 343 369 373 725 728

30% 239 256 259 504 505

35% 175 188 191 370 371

40% 134 144 146 284 285

45% 106 114 116 224 225

50% 86 93 94 182 182