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Table 1 Viable organisms/mL before and after one hour exposure to 100 mM Na2SO4, 50 μM H2O2, or 50 μM H2O2 with 50 mU/mL MPO.

From: Cervicovaginal fluid and semen block the microbicidal activity of hydrogen peroxide produced by vaginal lactobacilli

  Initial infectious *units/mL Infectious *units/mL after 1 hour exposure  
   100 mM Na2SO4 50 μM H2O2 50 μM H2O2 with 50 mU/mL MPO  
HSV-2 1.0 × 105 1.1 × 105 1.2 × 105 1.2 × 105 NS (P = 0.45)
N. gonorrhoeae 1.5 × 107 1.4 × 107 1.3 × 107 1.4 × 107 NS (P = 0.79)
H. ducreyi 1.4 × 107 1.1 × 107 1.5 × 107 1.4 × 107 NS (P = 0.59)
G. vaginalis 8.2 × 107 8.3 × 107 8.3 × 107 8.5 × 107 NS (P = 0.55)
P. bivia 9.2 × 108 9.0 × 105 8.2 × 105 8.8 × 105 NS (P = 0.28)
M. hominis 7.8 × 107 7.7 × 107 7.6 × 107 7.8 × 107 NS (P = 0.39)
M. curtsii 6.1 × 107 4.8 × 107 4.2 × 107 4.4 × 107 NS (P = 0.22)
M. mulieris 8.5 × 107 3.3 × 107 3.4 × 107 3.4 × 107 NS (P = 0.19)
P. anaerobius 7.4 × 108 4.0 × 106 4.3 × 106 4.4 × 106 NS (P = 0.37)
  1. P values from ANOVA comparison of post-exposure means for all three conditions.
  2. * Colony-forming units/mL for bacteria, infected indicator cells/mL for HSV-2.