Blood donors | Before blood donation | After blood donation | Â | ||
---|---|---|---|---|---|
 | median | IQR | median | IQR | two-tailed p-value |
StO2 | 79.0 | 74.5 - 83.5 | 78.5 | 75.0 - 83.0 | 0.34 |
O2Hb | 10.7 | 9.3 - 11.9 | 10.8 | 8.9 - 11.7 | 0.43 |
deoxy Hb | 2.62 | 2.39 - 3.24 | 2.70 | 2.34 - 4.39 | 0.30 |
SBP | 118 | 118 - 123 | 110 | 106 - 115 | <0.001* |
Control | Before rest period | After rest period (19 minutes) | Â | ||
 | median | IQR | median | IQR | two-tailed p-value |
StO2 | 82.0 | 79.5 - 85.0 | 80.5 | 76.8 - 83.8 | <0.05* |
O2Hb | 10.9 | 9.6 - 12.4 | 10.2 | 9.4 - 11.8 | <0.05* |
deoxy Hb | 2.35 | 2.08 - 2.56 | 2.45 | 2.20 - 2.92 | <0.01* |
SBP | 112 | 103 - 118 | 106 | 100 - 111 | <0.05* |