Category | Blood loss (L) | |||||
---|---|---|---|---|---|---|
Total | P | Apparent | P | Hidden | P | |
Gender: | 0.798 | 0.555 | 0.210 | |||
Men | 1.94 (1.08) | 0.46 (0.43) | 1.59 (0.95) | |||
Women | 2.22 (0) | 0.20 (0) | 2.82 (0) | |||
Age group: | 0.206 | 0.599 | 0.253 | |||
< 40 years | 2.27 (1.03) | 0.51 (0.59) | 1.88 (0.95) | |||
40 ~ 64 years | 1.79 (1.07) | 0.43 (0.33) | 1.49 (0.96) | |||
> 64 years | – | – | – | |||
Surgical site: | 0.722 | 0.567 | 0.285 | |||
THR | 2.05 (1.13) | 0.39 (0.35) | 1.90 (1.06) | |||
TKR | 1.91 (1.07) | 0.48 (0.46) | 1.51 (0.92) |