Table 5.

Comparison of ΔHb between patients receiving TKA and those receiving THA (g/L, mean ± SD)

Items	Preoperative	Surgery day	Day 1	Day 2	Day 3	Day 4	Day 5	Day 6	Day 7	Week 3	Week 6	Month 3	Month 6
TKA (n=53)	0	−14.3±6.4	−23.6±7.2	−30.2±7.0	−35.3±7.2	−38.5±7.5	−38.4±8.0	−36.5±8.6	−34.1±8.5	−16.8±5.5	−7.2±5.9	−2.5±4.9	−0.7±5.5
THA (n=54)	0	−18.0±6.0	−26.9±5.3	−32.9±5.6	−36.9±6.2	−40.7±6.7	−39.7±8.0	−37.6±8.4	−35.4±8.2	−18.4±6.7	−9.5±5.4	−3.9±3.9	−0.9±4.3
P	NA	0.003	0.009	0.027	0.204	0.019	0.42	0.49	0.439	0.169	0.041	0.117	0.812

TKA: Total knee arthroplasty; THA: Total hip arthroplasty; SD: Standard deviation.