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Table 6 Mean scores ± standard deviations for histopathological findings #

From: The immune response against Chlamydia suis genital tract infection partially protects against re-infection

Tissue Histopathological findings Control group Infection group Re-infection group
Vagina Exfoliation* 0.5 ± 1.00 0.2 ± 0.45 0.0 ± 0.00
  Interepithelial inflammatory cells 0.0 ± 0.00 0.4 ± 0.55 0.2 ± 0.45
  Degeneration and/or apoptosis of epithelial cells 0.0 ± 0.00 0.4 ± 0.55 0.4 ± 0.55
  Infiltration of mnc in the lamina propria 1.5 ± 0.58 1.4 ± 0.55 1.2 ± 0.45
Cervix Interepithelial inflammatory cells 1.0 ± 0.82 0.8 ± 0.84 1.2 ± 0.84
  Degeneration and/or apoptosis of epithelial cells 0.0 ± 0.00 0.2 ± 0.45 0.0 ± 0.00
  Infiltration of mnc in the lamina propria 2.0 ± 0.82 1.4 ± 0.55 1.8 ± 0.84
Corpus Interepithelial inflammatory cells 1.0 ± 0.00 1.2 ± 0.45 1.2 ± 0.45
uteri Degeneration and/or apoptosis of epithelial cells 0.3 ± 0.50 0.2 ± 0.45 0.0 ± 0.00
  Infiltration of mnc in the lamina propria 1.0 ± 0.00b 1.2 ± 1.30 2.0 ± 0.71b
  Oedema lamina propria 2.3 ± 0.96 1.8 ± 1.30 1.4 ± 1.34
Uterine Exfoliation* 0.0 ± 0.00 0.0 ± 0.00 0.4 ± 0.89
Horn R Interepithelial inflammatory cells 1.3 ± 0.50 1.2 ± 0.45 1.2 ± 0.45
  Degeneration and/or apoptosis of epithelial cells 0.3 ± 0.50 0.4 ± 0.55 0.0 ± 0.00
  Infiltration of mnc in the lamina propria 1.3 ± 0.50b 2.2 ± 1.10 2.6 ± 0.55b
  Oedema lamina propria 1.5 ± 0.58 1.6 ± 1.34 1.2 ± 1.30
Uterine Exfoliation* 0.0 ± 0.00 0.4 ± 0.89 0.0 ± 0.00
Horn L Interepithelial inflammatory cells 1.8 ± 0.50 1.8 ± 0.45 1.2 ± 0.45
  Degeneration and/or apoptosis of epithelial cells 0.3 ± 0.50 0.8 ± 0.45 0.8 ± 0.45
  Infiltration of mnc in the lamina propria 1.3 ± 0.50b 2.2 ± 1.10 2.4 ± 0.55b
  Oedema lamina propria 1.0 ± 0.82 1.4 ± 0.55 1.0 ± 0.00
Oviduct R Intraluminal proteinaceous fluid 4 of 4 4 of 5 4 of 5
  Exfoliation* 0.5 ± 0.58 0.0 ± 0.00 0.0 ± 0.00
  Infiltration of mnc in the lamina propria 1.0 ± 0.00b 1.4 ± 0.55c 2.2 ± 0.45b,c
Oviduct L Intraluminal proteinaceous fluid 1 of 4 1 of 5 2 of 5
  Exfoliation* 0.3 ± 0.50 0.2 ± 0.45 0.4 ± 0.55
  Interepithelial inflammatory cells 0.0 ± 0.00 0.4 ± 0.55 0.6 ± 0.55
  Infiltration of pmc in the lamina propria 0.3 ± 0.50 0.0 ± 0.00 0.0 ± 0.00
  Infiltration of mnc in the lamina propria 1.3 ± 0.50 1.4 ± 0.89 1.4 ± 0.55
Urethra Interepithelial inflammatory cells 0.3 ± 0.50 0.2 ± 0.45 0.0 ± 0.00
  Infiltration of mnc in the lamina propria 1.0 ± 0.00 0.8 ± 1.30 1.4 ± 1.52
  1. #The mean scores ± SD for the histopathological parameters which are not shown in the table, were 0.0 ± 0.00 for the three groups.
  2. *Superficial layer of exfoliated (epithelial) cells and/or inflammatory cells.
  3. pmc: polymorphonuclear inflammatory cells; mnc: mononuclear inflammatory cells.
  4. bP < 0.05 for a comparison of the control group and the re-infection group.
  5. cP < 0.05 for a comparison of the infection group and the re-infection group.