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Table 2 Parameters between the planed/predicted and actual OVA, AMSPAC, and CR

From: A new mathematical model for evaluating surface changes in the mid-abdominal sagittal plane after two-level pedicle reduction osteotomy in patients with ankylosing spondylitis

Parameters

Planed/predicted

Actual

df

95% CI

p

OVA (°)

38.4 ± 9.43

37.6 ± 10.54

21

-0.1–1.7

0.083

ac-AMSP(cm2)

53.5 ± 59.07

58.4 ± 56.03

10

-14.8–5.1

0.301

CR (%)

44.3 ± 38.00

45.8 ± 36.19

10

-0.1–0.03

0.442

  1. OVA Osteotomized vertebra angle, ac-AMSP acreage change in the abdominal median sagittal planem, CR acreage change rate of the abdominal median sagittal plane, df degree of freedom, 95% CI 95% confdence interval, statistical significance, p < 0.05
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BMC Surgery

ISSN: 1471-2482

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