Table 2.

ΔHb at different time points

Variable (mean ± SD)	DAA	PLA	P value
ΔHb*, g/L
Post-op, day of surgery	− 21.1 ± 7.7	− 15.8 ± 4.4	< .001
1 day post-op	− 26.5 ± 7.3	− 24.9 ± 3.8	0.154
2 days post-op	− 31.4 ± 6.6	− 30.6 ± 4.1	0.448
3 days post-op	− 34.6 ± 6.5	− 34.8 ± 4.6	0.832
4 days post-op	− 32.9 ± 6.0	− 38.3 ± 4.7	< .001
5 days post-op	− 31.4 ± 6.2	− 36.5 ± 5.6	< .001
2 weeks post-op	− 23.4 ± 7.3	− 26.2 ± 3.9	0.013
6 weeks post-op	− 11.7 ± 5.6	− 12.0 ± 5.7	0.832
3 months post-op	− 4.9 ± 3.8	− 5.0 ± 3.6	0.900
6 months post-op	− 1.6 ± 3.6	− 1.7 ± 3.1	0.934

^*The difference between Hb at a certain time point and preoperative Hb