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Table 1 Comparison of t-statistics and Welch statistics in identifying significant genes under different values of Δs

From: Assessment of differential gene expression in human peripheral nerve injury

Δ Significant genes False positives FDR
t-statistics
2 622 312 50%
4 223 77.3 35%
6 131 35.1 27%
8 88 21.2 24%
12 73 13.3 18%
16 62 9.8 16%
20 57 7.7 14%
25 46 5.8 13%
40 30 3.4 11%
60 27 2.4 9%
90 19 1.5 8%
Welch statistics
2 1348 648.3 48%
4 525 155.9 30%
6 264 64.5 24%
8 97 24.0 25%
12 50 10.4 21%
16 20 4.0 20%
20 12 2.5 21%
25 7 1.0 14%
40 7 1.0 14%
60 6 0.4 7%
90 6 0.4 7%