TABLE 2:

Concentrations of serum amyloid A (SAA) in synovial fluid and blood of horses with synovial sepsis and contamination (SCS), non-septic intra-synovial pathology (NSISP) and control groups.

SCSNSISPControl
Horses (n)38668
Synovial fluid SAA
(µg/ml)
39.2a
(0–368.9)
0b
(0–29.7)
0b
(0–0.8)
Blood SAA
(µg/ml)
275.5a
(0–1421.8)
0.5b
(0–17)
0b
(0–0)
Synovial fluid D-lactate (µg/ml)30
(0–640)
20
(0–84)
35
(0–80)
Blood D-lactate (µg/ml)12.5
(0–90)
10
(0–70)
20
(0–50)
Synovial fluid
total nucleated cell count (cells/l)
Median (range)
42.8
(2.7–234)a
0.39
(0–14)b
0.5
(0.08–3.3)b
Synovial fluid
% neutrophils
Median (range)
84
(42-94)a
55
(0–88)b
12
(0–20)b
Synovial fluid total protein (g/l)
Median (range)
44
(23-84)
14
(0.8–44)
11.5
(6-19)
  • The SAA concentrations are reported as median (range). Within a row, different superscript letters denote significant differences between groups (P<0.05)