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Table 3 Bloodwork performed via iSTAT cartridges and sampled across all time points (T0 = pre-race, T1 = post-race, T4 = 4 h post-race, and T24 = 24 h post-race), in 30 Thoroughbred race horses

From: Prospective pre- and post-race evaluation of biochemical, electrophysiologic, and echocardiographic indices in 30 racing thoroughbred horses that received furosemide

Blood Parameters T0 T0 RI T1 T1 RI T4 T4 RI T24 T24 RI
cTnI (ng/ml) 0.01 (0.0,0.01) <0.01 0.01 (0.0,0.03) 0.0–0.05 0.03 (+/−0.02)a,+ 0.0–0.07 0.01 (0.0,0.02) 0.0–0.05
pH 7.47 (+/−0.03) 7.41–7.52 7.33 (+/−0.11)a 7.17–7.56 7.48 (+/−0.05)+ 7.40–7.56 7.46 (7.44,7.49)+ 7.36–7.57
HCO3 (mmol/L) 29.2 (+/−1.6) 26.4–32.0 15.6 (+/−5.4)a 6.0–25.4 28.7 (27.1,30.3)+ 24.3–33.3 29.9 (+/−1.5)+ 27.3–32.4
pCO2 (mmHg) 40.2 (+/−3.3) 34.4–45.8 27.9 (+/−4.3)a 20.5–35.5 37.9 (+/−6.0)+ 28.4–49.3 41.5 (40.1–44.7)+ 32.3–51.6
Na + (mmol/L) 138 (+/−1.2) 136–140 135 (+/−2.8)a 131–141 136 (+/−1.7)+ 133–139 139 (+/−1.3)+,b 136–140
K+ (mmol/L) 3.7 (+/−0.4) 3.0–4.4 3.5 (+/−0.3)a 3.0–4.1 3.5 (3.1,3.7) 2.1–4.9 3.6 (3.4,3.8) 2.8–4.4
iCa++ (mmol/L) 1.63 (+/−0.06) 1.52–1.73 1.34 (+/−0.06)a 1.23–1.45 1.56 (+/−0.07)a,+ 1.44–1.68 1.59 (+/−0.05)+ 1.51–1.67
Glucose (mg/dL) 102 (92,108) 78–122 161 (145,195)a 94–229 107 (91,127)+ 52–159 110 (+/−13)+ 85–131
Hct (%) 41.6 (+/−5.7) 31.9–51.7 51.8 (+/−6.8)a 40.2–63.8 45.0 (+/−5.7)a 34.4–54.1 40.5 (33,43)+,b 23.3–57.3
  1. Normally distributed data is reported in mean +/− standard deviation. Non-parametric data is reported in median with interquartile range in parenthesis. Reported with reference intervals (RI) calculated using the Robust method reported as 90% confidence interval in accordance with American Society for Veterinary Clinical Pathology guidelines. All values were compared to each other. Values that are significantly different (adjusted P < 0.05) than all other time points are marked as follows: adenotes significance when compared to T0, + denotes significance when compared to T1, bdenotes significance when compared to T4