SB S P value (for t-test)
Before sternotomy**      
MAP*** 74±6 82±13 0.00
SAP§ 105±7 110±6 0.01
DAP¥ 63±7 67±3 0.01
During sternotomy      
MAP 73±9 92±16 0.00
SAP 110±4 142±7 0.00
DAP 55±3 78±4 0.00
After start of CPB ψ      
MAP 65±3 55±4 0.00
SAP 68±6 58±4 0.00
DAP 64±6 53±3 0.00
After weaning from CPB      
MAP 89±13 85±10 0.09 Ψ
SAP 115±10 119±12 0.08 Ψ
DAP 76±4 74±6 0.08 Ψ
Time to extubation Ω 264±68 322±72 0.02
• Data are presented as mean ± (standard deviation)
• Before sternotomy; while the surgical procedure has started
• Mean arterial pressure
§ Systolic Arterial Pressure
¥ Diastolic Arterial Pressure
ψ CPB: Cardiopulmonary Bypass
Ω Calculated from the time of arrival to ICU up to the time of
extubation in minutes
Ψ The difference is not statistically significant
Table 3: Demographics of the patients in the two groups*