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Table 2 Mean log reduction factor of E. coli after volunteers washing with Moringa oleifera product or reference product (non-medicated liquid soap)

From: Efficacy of Moringa oleifera leaf powder as a hand- washing product: a crossover controlled study among healthy volunteers

Product

Mean log reduction factor of Moringa product (SD)

Mean log reduction factor of reference soap (SD)

Difference

  p

Moringa 2 g

    

  Dry

2.44 (0.41)

3.00 (0.27)

0.56

p=0.00001

  Wet

2.70 (0.31)

3.00 (0.27)

0.30

p=0.003

Moringa 3 g

    

  Dry

2.58 (0.34)

2.99 (0.26)

0.41

p=0.0001

  Wet

2.84 (0.32)

2.99 (0.26)

0.15

p=0.03

Moringa 4 g

    

  Dry

2.70 (0.27)

2.97 (0.28)

0.27*

p=0.06

  Wet

2.91 (0.11)

2.97 (0.28)

0.07

p=0.16

  1. P values were derived using Wilcoxon’s matched pairs signed-rank tests.
  2. *significantly difference between dry and wet preparations (p=0.01).