From: Effect of anemia on tissue oxygenation saturation and the tissue deoxygenation rate during ischemia
 | Group 1, n = 251 | Group 2, n = 30 | P value | Group 3, n = 48 | Group 4, n = 10 | P value |
---|---|---|---|---|---|---|
StO2 (%) | 80.5 ± 7.8 | 76 ± 7.7 | 0.003 | 76.5 ± 11.9 | 68.2 ± 9.6 | 0.04 |
Deoxygenation rate (%/min) | 16.5 ± 6.7 | 19.6 ± 6.6 | 0.017 | 14.8 ± 7.4 | 16.7 ± 5.7 | NS |