Table 2: Main study results.

N = 481
Pre (n = 252) Post (n = 229) P-value
% Any complication 4.4 (11) 3.1 (7) 0.450
% SBP* complication 2.0 (5) 1.8 (4) 0.848
% Oxygen Saturation 0.8 (2) 0.9 (2) 0.923
% Unsuccessful procedure 4.0 (10) 3.9 (9) 0.983
% Adverse event or unsuccessful procedure 7.9 (20) 7.0 (16) 0.693

*SBP = systolic blood pressure complication for systolic blood pressure < 90.