Fig. 4From: The transverse diameter of right common femoral vein by ultrasound in the supine position for predicting post-spinal hypotension during cesarean deliverySerial changes of the SAP and HR over time after the spinal anesthesia. *Statistically significant difference between the two groups were assessed by two-way analysis of variance with the Bonferroni post hoc test. SAP: systolic arterial pressure; HR, heart rate; bpm, beats per minuteBack to article page