Table 4 HHA

Number of patients

90

97

Age (mean; SD; range)

83.8 (7.2; from 65 to 96)

82.5 (7.96; from 55 to 99)

0.2

Sex

33 M; 57 F

20 M; 77 F

Hb - admission (mg/dL; SD; range)

12.36 (1.85; 8 to 16.2)

12.61 (1.56; 8.8 to 18.2)

0.3

Hb 24 h post-surgery (mg/dL; SD; range)

9.84 (1.21; 7.2 to 13.2)

10.13 (1.37; 7.4 to 14.6)

0.1

Hb - discharge (mg/dL; SD; range)

9.96 (0.82; 8.6 to 9.4)

10.43 (0.8; 8.9 to 12.9)

0.0001*

Hb - lowest peak (mean; SD; range)

8.39 (0.97; 6 to 11.5)

8.62 (0.9; 6.5 to 10.9)

0.09

Post-surgery lowest peak day (mean; SD; range)

2.43 (1.84; −7 to 9)

2.71 (1.92; −5 to 11)

0.3

Total transfusions

153

127

Transfusions per patient (mean; SD; range)

1.7 (1.31; 0 to 6)

1.31 (1.13; 0 to 6)

0.03*

Length of stay (mean; SD; range)

11.78 (3.93; 7 to 25)

12.77 (5.03; 6 to 39)

0.1

Pre-op day (mean; SD; range)

3.02 (2.78; 0 to 15)

2.49 (2.25; 0 to 16)

0.2

Post-op day (mean; SD; range)

8.75 (2.72; 4 to 17)

10.27(4.66; 1 to 37)

0.008*