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Table 1 Interday variation in systemic blood pressure (mmHg) and mean concentrations of plasma ET-1 (pg/ml) and serum cortisol (mmol/l)

From: Interday variation and effect of transportation on indirect blood pressure measurements, plasma endothelin-1 and serum cortisol in Standardbred and Icelandic horses

Variable M1 M2 CV %
HDO    
BPS (mmHg)   114 ± 14 113 ± 18 15
BPD (mmHg)   71 ± 11 67 ± 15 21
Cardell    
BPS (mmHg)   104 ± 12 102 ± 10 8
BPD (mmHg)   65 ± 13 60 ± 10 19
ET-1 (pg/ml) 2.3 ± 1.4 2.7 ± 2.0 37
Cortisol (nmol/l) 129 ± 76 126 ± 81 18
  1. Mean (±SD) values for systemic, systolic and diastolic blood pressure (measured with the HDO and the Cardell device), plasma ET-1 and serum cortisol concentration measured on two separate days (M1 and M2). No significant differences between M1 and M2 were detected for any of the variables. (P ≤ 0.05) BP S : systolic blood pressure, BP D : diastolic blood pressure, CV: Coefficient of variation. n = 18, except for plasma ET-1 where n = 16.