Table 3.

Quantile regression of serum gastrin, cortisol and C-reactive protein values

Variable and level	Coefficient (SE)	P value	95 % confidence interval
Gastrin
Racing status		<0.001a
A1 completing dogs	−21.6 (4.83)	<0.001a	−31.17; −12.03
B1 completing dogs	Baseline	–	–
A2 non-completing dogs	−21.4 (5.06)	<0.001a	−31.42; −11.38
B2 non-completing dogs	33.2 (5.06)	<0.001a	23.18; 43.22
A3 control dogs	−21.9 (5.20)	<0.001a	−32.20; −11.60
B3 control dogs	−18.40 (5.20)	<0.001a	−28.70; −8.10
Intercept	36.6 (3.42)	<0.001a	29.83; 43.37
Cortisol
Racing status		<0.001a
A1 completing dogs	−21.6 (4.83)	<0.001a	−31.17; −12.03
B1 completing dogs	Baseline	–	–
A2 non-completing dogs	−21.4 (5.06)	<0.001a	−31.42; −11.38
B2 non-completing dogs	33.2 (5.06)	<0.001a	23.18; 43.22
A3 control dogs	−21.9 (5.20)	<0.001a	−32.20; −11.60
B3 control dogs	−18.40 (5.20)	<0.001a	−28.70; −8.10
Intercept	36.6 (3.42)	<0.001a	29.83; 43.37
C-reactive protein (CRP)
Racing status		<0.001a
A1 completing dogs	−21.6 (4.83)	<0.001a	−31.17; −12.03
B1 completing dogs	Baseline	–	–
A2 non-completing dogs	−21.4 (5.06)	<0.001a	−31.42; −11.38
B2 non-completing dogs	33.2 (5.06)	<0.001a	23.18; 43.22
A3 control dogs	−21.9 (5.20)	<0.001a	−32.20; −11.60
B3 control dogs	−18.40 (5.20)	<0.001a	−28.70; −8.10
Intercept	36.6 (3.42)	<0.001a	29.83; 43.37

Results from quantile regression of the effect of racing status and time of blood sampling on serum gastrin, cortisol and C-reactive protein (CRP) in a group of sled dogs participating in a Norwegian long distance race

^aMultiple wald test