Table 2 Shows the results of the evaluation of the perioperative blood counts with the preoperative values from the day before surgery and the postoperative values from the second day after surgery (Hct = Haematocrit in %; Hb = Haemoglobin in g/dL).

From: A neck-sparing short stem shows significantly lower blood loss in total hip arthroplasty compared to a neck-resecting short stem

Variable

Group A

Group B

Overall

p value

Preoperative Hct

41.3 ± 3.2

41.1 ± 3.3

41.2 ± 3.2

0.686

Preoperative Hb

14.1 ± 1.2

14.2 ± 1.3

14.2 ± 1.3

0.472

Total blood volume (ml)

4778.1 ± 887.4

4714.4 ± 883.3

4750.9 ± 883.9

0.627

Postoperative Hct

30.4 ± 4.4

31.6 ± 3.7

30.9 ± 4.1

0.049

Postoperative Hb

10.4 ± 1.5

11.0 ± 1.3

10.7 ± 1.5

0.002

Calculated blood loss

546.6 ± 232.7

451.4 ± 188.4

505.9 ± 219.5

0.002

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