Table 2.
Assessment | Phase |
CM-TKA
(n=16) |
RA-TKA
(n=17) |
P value |
Blood loss (ml) | ||||
Total blood loss | 678.2 (306.7) | 600.6 (281.0) | 0.454 | |
Intraoperative blood loss | 178.1 (151.6) | 160.0 (82.5) | 0.670 | |
Drainage | 49.7 (53.5) | 39.6 (44.4) | 0.219 | |
Hidden blood loss | 450.4 (339.6) | 401.0 (308.9) | 0.665 | |
Arterial blood gas | ||||
PCO2 (mm/Hg) | 24 h P.E. | 40.7 (2.6) | 40.7 (3.6) | 0.987 |
24 h P.O. | 47.5 (3.4) | 45.1 (1.5) | 0.014 | |
PO2 (mm/Hg) | 24 h P.E. | 76.2 (8.3) | 78.1 (9.0) | 0.527 |
24 h P.O. | 69.6 (5.9) | 75.1 (8.8) | 0.042 | |
SO2(%) | 24 h P.E. | 97.6 (6.1) | 97.8 (5.6) | 0.630 |
24 h P.O. | 94.2 (1.2) | 95.4 (1.4) | 0.011 | |
Blood cell count | ||||
WBC (109/l) | 24 h P.E. | 6.29 (1.49) | 6.34 (1.44) | 0.922 |
24 h P.O. | 10.3(0.9) | 9.3(1.3) | 0.020 | |
NEUT% | 24 h P.E. | 66.4 (7.9) | 67.3 (5.6) | 0.717 |
24 h P.O. | 88.7(2.3) | 86.3(3.2) | 0.019 | |
RBC (1012/l) | 24 h P.E. | 4.43 (0.49) | 4.42 (0.46) | 0.990 |
72 h P.O. | 3.55 (0.49) | 3.62 (0.38) | 0.649 | |
HgB (g/l) | 24 h P.E. | 129.6 (16.1) | 131.9 (13.7) | 0.658 |
72 h P.O. | 115.6 (12.4) | 114.9 (10.7) | 0.867 | |
HCT (%) | 24 h P.E. | 39.4 (3.8) | 40.3 (3.9) | 0.524 |
72 h P.O. | 31.6 (2.9) | 33.4 (3.4) | 0.110 |
P.E. preoperatively, P.O. postoperatively, WBC white blood cells, NEUT% neutrophil percentage, HCT hematocrit, RBC red blood cell, HgB hemoglobin