Fig. 2. Changes (percentage of baseline value) in mean arterial pressure (MAP) and heart rate (HR) over the first 30 min after spinal injection. The mean with SD is given for MAP, only the mean for HR. ▪= MAP, horizontal group; •= MAP, 30-degree torso elevation group; □= HR, horizontal group; ○= HR, 30-degree torso elevation group; *=P < 0.05 between the two groups.

Fig. 2. Changes (percentage of baseline value) in mean arterial pressure (MAP) and heart rate (HR) over the first 30 min after spinal injection. The mean with SD is given for MAP, only the mean for HR. ▪= MAP, horizontal group; •= MAP, 30-degree torso elevation group; □= HR, horizontal group; ○= HR, 30-degree torso elevation group; *=P < 0.05 between the two groups.

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