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Table 2 Characteristics of the scenarios for the GTEx skin dataset. The frequencies of samples obtained from male and female individuals were similar in all cohorts (between 30 and 34% samples from females in all scenarios)

From: Flimma: a federated and privacy-aware tool for differential gene expression analysis

  Cohort sizes Fraction of sun-exposed skin samples Mean ischemic time, min
  Cohort 1 Cohort 2 Cohort 3 Cohort 1 Cohort 2 Cohort 3 Cohort 1 Cohort 2 Cohort 3
No imbalance 425 425 427 0.53 0.53 0.53 629 636 636
Mild imbalance 181 363 733 0.4 0.65 0.51 490 620 676
Strong imbalance 97 293 887 0.8 0.4 0.54 347 646 661