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Table 2 Results of the statistical analysis for Clostridiaceae , Enterobacteriaceae and Thermoanaerobacterales (Family III)

From: A comprehensive and quantitative review of dark fermentative biohydrogen production

Y (H2/S) Clostridiaceae (n = 464) Enterobacteriaceae (n = 295) Thermoanaerobacterales (Family III) (n = 73)
[mol mol-1]    
Median 1.785 0.82 2.9
Mean 1.87 ± 1.10* 1.15 ± 1.34* 2.92 ± 1.18*
HER Clostridiaceae (n = 317) Enterobacteriaceae (n = 318) Thermoanaerobacterales (Family III) (n = 38)
[mmol L-1 h-1]    
Median 8.67 4.915 9.6
Mean 9.75 ± 8.41 11.37 ± 17.71 8.98 ± 3.40
qH 2 Clostridiaceae (n = 70) Enterobacteriaceae (n = 102) Thermoanaerobacterales (Family III) (n = 20)
[mmol g-1 h-1]    
Median 10.05 3.75 16.615
Mean 14.49 ± 11.24 12.90 ± 26.02 18.61 ± 7.14