Effectiveness of different antithrombotic agents in combination with tranexamic acid for venous thromboembolism prophylaxis and blood management after total knee replacement: a prospective randomized study

Table 2 Hb levels compared among three groups (g / L)

Group	n	Before treatment	Day 1 after treatment	Day 3 after treatment	Day 5 after treatment	Between groups	Point of time	Inter group· time point
Group 1	60	139.2 ± 11.2	117.5 ± 11.9	93.3 ± 11.8^*	96.7 ± 11.7^*▲	F = 20.0 P < 0.001	F = 659.5 P < 0.001	F = 7.3 P < 0.001
Group 2	60	141.3 ± 11.7	111.3 ± 13.9	87.2 ± 10.2^*	90.6 ± 11.0^*▲
Group 3	60	138.0 ± 13.0	124.1 ± 14.0	99.3 ± 11.7^*	102.7 ± 12.4^*▲
F	–	1.1	13.9	17.2	15.7
P	–	0.3	< 0.001	< 0.001	< 0.001

* Compared with day 1 after treatment, P < 0.001; ▲ Compared with day 3 after treatment, P < 0.001

ISSN: 1471-2474