Table 3: BNP levels (pg/mL) in “off-” versus “on-pump” operated patients with regard to postoperative AF.

Surgical Technique
“Off-pump” ( )“On-pump” ( )
GroupMeanMedianSDMeanMedianSD

AF
 BNP preop.401.94410.63129.22466.87427.00366.93
 BNP postop.698.15656.44372.65757.70613.30525.60
Non-AF
 BNP preop.315.10300.60151.53430.26320.50316.76
 BNP postop.475.35 161.57860.03 539.76

Non-AF “on-pump” operated patients had significant higher postoperative BNP levels than “off-pump” patients ( ).