From: Blood management of staged bilateral total knee arthroplasty in a single hospitalization period
Demographic | Group A (n=33) | Group B (n=37) | pvalue |
---|---|---|---|
Duration of surgery* (min) | 117.7 (17.1) | 121.5 (15.7) | 0.336 |
Drainage volume* (mL) | 279.2 (78.0) | 458.4 (96.4) | <0.001‡ |
Calculated blood loss* (mL) | 1227.2 (196.1) | 1830.2 (349.6) | <0.001‡ |
Hidden blood loss* (mL) | 947.9 (200.9) | 1371.9 (372.7) | <0.001‡ |
Interval days* (d) | 3.4 (0.6) | 3.6 (0.5) | 0.345 |
Length of stays* (d) | 12.4 (1.2) | 13.2 (1.5) | 0.012‡ |
The highest changes of Hb* (g/L) | 37.7 (3.8) | 47.2 (4.3) | <0.001‡ |
The highest changes of Hct* (%) | 11.6 (1.4) | 15.2 (1.6) | <0.001‡ |
HSS score at discharge* (points) | 82.1 (5.7) | 80.8 (6.8) | 0.319 |