Table 3 Comparison of pre- and post-operative blood loss.

From: Clinical analysis of peri-operative hidden blood loss of elderly patients with intertrochanteric fractures treated by unreamed proximal femoral nail anti-rotation

Variable

pre

pod1

post

p

p1

p2

p3

HBL(ml)

375.5 ± 242.0

226.5 ± 163.2

396.7 ± 254.0

<0.001

<0.001

0.361

<0.001

TBL(ml)

375.5 ± 242.0

318.0 ± 183.4

488.2 ± 271.1

<0.001

0.008

<0.001

<0.001

  1. p: p value of pre vs pod1 vs post; p1: p value of pre vs pod1; p2: p value of pre vs post; p3: p value of pod1 vs post; TBL: total blood loss; HBL: hidden blood loss.
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