Mean values at 3 time points (n=9) Lead CV5RL Difference compared to predose values
Pre-dose 30 min 60 min 30 min 60 min
Control 1.51±0.33 1.47±0.51 1.62±0.37 -0.04 0.11
1 mg/kg 1.65±0.41 2.48±0.57 2.25±0.74 0.84** 0.61
3 mg/kg 1.67±0.35 2.89±1.15 2.80±1.22 1.22** 1.13**
Change compared to control at 1 mg/kg 0.13 1.01*** 0.63*    
Change compared to control at 3 mg/kg 0.16 1.42*** 1.18**    
*: p<0.05; **; p<0.01; ***: p<0.001 (data analyzed with a linear mixed model of analysis of variance with time, dose and the dose*time interaction as fixed effects and animal as a random effect).
Table 1: Effect of astemizole on coefficient of variation of QT in dogs.