Skip to main content

Table 2 Pre- and postoperative hemoglobin levels

From: Percutaneous, PMMA-augmented, pedicle screw instrumentation of thoracolumbar ankylotic spine fractures

Hemoglobin levels (N=24)

Latest pre-op (gr/%)

First post-op (gr/%)

Hg diff (gr/%)

P

Test

Mean

12.073

11.057

−1.21

P<0.001

2-sided paired sample t-test

Median

12.525

10.700

−1.030

SD

1.64

1.80

1.19