Table 4: Blood loss in laboratory tests comparing the treatment and the control groups.

Variables Treatment group
(with TXA and MBLPA)
(n=44)
Control group
(without TXA or MBLPA)
(n=43)
P value
Mean ± SD
n(%)
Mean ± SD
n(%)
Mean ± SD
n(%)
(Max-Min)
Postoperative laboratory tests
Hb 24h (g/dL) 11.8±1.1 (9.1-13.7) 10.7±1.1 (8.3-13.1) 0.000†
Hb 48h (g/dL) 11.2±1.2 (8.4-13.4) 9.7±1.6 (7.1-14.4) 0.000†
Hb 5d (g/dL) 11.4±2.0 (8.5-15.2) 10.4±1.4 (7.8-13.4) 0.073†
Haematocrit 24h (%) 35.9±3.3 (27.3-42.4) 32.2±3.4 (26.3-38.3) 0.000†
Haematocrit 48h (%) 34.1±3.7 (26.0-41.7) 30.0±5.1 (20.7-45.9) 0.000†
Haematocrit 5d (%) 34.8±5.9 (24.8-44.4) 30.5±8.6 (2.1-41.5) 0.103*
Laboratory test differences with preoperative determinations
Hb 24h (g/dL) -2.4±1.2 -(4.8-0.5) -3.2±1.6 -(7.3-0.0) 0.006†
Hb 48h (g/dL) -2.9±1.3 -(5.1-0.2) -3.9±1.7 -(8.2- -0.7) 0.007†
Hb 5d (g/dL) -2.8±1.9 -(5.5-1.3) -3.4±1.8 -(5.9-0.4) 0.267†
Haematocrit 24h (%) -7.2±3.9 -(14.9-1.8) -10.1±4.5 -(21.9- -0.8) 0.002†
Haematocrit 48h (%) -9.0±3.9 -(15.7-0.8) -11.3±5.1 -(27.4- -3.1) 0.030†
Haematocrit 5d (%) -8.2±5.6 -(17.7-1.8) -11.1±8.7 -(38.1-2.2) 0.256*

T test, * Mann Whitney test