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Table 1 Multiple comparisons showing P values for negative geotaxis, total protein, catalase, hydrogen peroxide scavenging activity and lifespan in male Drosophila melanogaster after Yoba® exposure

From: Low concentrations of Lactobacillus rhamnosus GG (Yoba®) are safe in male Drosophila melanogaster

Tukey’s multiple comparisons tests N Negative geotaxis Total protein Catalase Hydrogen peroxide scavenging Lifespan
4 cm 8 cm
Adjusted P values
12% Yoba vs. 6% Yoba 50 0.874 0.9994 0.789 0.0784 < 0.0001 Log-rank (Mantel-Cox) test for curve comparisons X2 (4) = 18.52, P = 0.001
12% Yoba vs. 3% Yoba 50 0.002 0.0733 0.3771 0.0004 < 0.0001
12% Yoba vs. 1% Yoba 50 0.002 0.0076 < 0.0001 < 0.0001 < 0.0001
12% Yoba vs. control 50 0.0001 < 0.0001 0.0002 0.0006 < 0.0001
6% Yoba vs. 3% Yoba 50 0.0001 0.0435 0.9578 0.0279 0.9192
6% Yoba vs. 1% Yoba 50 0.0001 0.004 < 0.0001 0.0015 < 0.0001
6% Yoba vs. control 50 < 0.0001 < 0.0001 0.0059 0.0468 < 0.0001
3% Yoba vs. 1% Yoba 50 > 0.9999 0.8964 < 0.0001 0.3316 0.0006
3% Yoba vs. control 50 0.874 0.1191 0.034 0.9969 0.0007
1% Yoba vs. control 50 0.874 0.5252 0.0005 0.2114 > 0.9999
  1. N number of flies in each group