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Table 1 Findings in clinically healthy versus clinically sick horses

From: Chlamydophila spp. infection in horses with recurrent airway obstruction: similarities to human chronic obstructive disease

 

n

Histological score: median (span)

IHC (MP): median (span)

IHC (PII): median (span)

IHC (BE): median (span)

IHC (percentage): median (span)

PCR: positive cases (percentage)

Clinically healthy (Subgroups I + II)

20

0 (0–6)

0 (0–1)

0 (0–4)

17 (0–119)

1.108 (0–8.92)

9 (45)

Clinically sick (Subgroups III + IV)

25

3 (0–29)

0 (0–4)

0 (0–63)

113 (4–535)

7.304 (0.20–37.1)

15 (60)

Mann-Whitney-U *Pearson Chi Square

 

p = 0.010

p = 0.079

p = 0.127

p < 0.001

p < 0.001

*p = 0.316

  1. Immunohistochemistry (IHC): Number of CP antigen-positive cells in 3 high power fields
  2. MP: macrophages, PII: type II pneumocytes, BE: bronchiolar epithelial cells
  3. IHC (percentage): Number of all CP antigen-positive cells in 3 high power fields in relation to all cells