Variables Group Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 Phase 6 P-Value between groups P-Value between phases
LF On Pump 86.12±3.92 84.65±4.05 81.88±4.97 81.71±4.31 85.65±3.43 86.12±3.24 0.485 0.002
Off Pump 83.31±4.36 83.00±4.24 86.19±4.94 84.81±4.04 88.12±3.50 84.00±4.13
HF On Pump 16.00±1.06 15.00±2.83 14.65±0.70 14.82±0.81 15.24±0.75 15.82±0.95 < 0.0001 < 0.0001
Off Pump 15.06±1.12 14.81±0.75 12.13±1.03 12.50±1.03 13.44±0.89 15.38±0.72
LF/HF On Pump 5.40±0.36 6.11±2.74 5.60±0.42 5.53±0.42 5.64±0.38 5.46±0.35 < 0.0001 < 0.0001
Off Pump 5.56±0.55 5.62±0.42 7.15±0.71 6.82±0.48 6.59±0.56 5.48±0.41
Heart Rate On Pump 60.1±2.8 62.1±3.3 66.1±4.8 62.5±2.5 68.9±5.6 60.5±3.1 < 0.0001 < 0.0001
Off Pump 64.5±4.9 69.6±3.7 89.7±9.2 80.1±7.9 76.6±5.0 74.8±7.1
Table 3: during different phases the difference in heart rate variability index between on-pump and off-pump are demonstrated.