Table 4:

Timing of aberrancies in regard to when they occurred during cases.

Blood Pressure Aberrancy By Epoch
	OR 1	OR 2 & 3
	N (%)	N (%)
	>6 Minute Gap
First Epoch	165 (66.3)	217 (58.8)
Second Epoch	13 (5.2)	33 (8.9)
Third Epoch	71 (28.5)	119 (32.2)
	Low Pulse Pressure
First Epoch	396 (54.2%)	471 (50.2%)
Second Epoch	106 (14.5%)	132 (14.1%)
Third Epoch	229 (31.3%)	335 (35.7%)
	Systolic >160mmHg or Diastolic > 100mmHg
First Epoch	689 (52.2)	858 (52.0)
Second Epoch	201 (15.2)	283 (17.2)
Third Epoch	430 (32.6)	508 (30.8)