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Table 1 Demographics and patient characteristics

From: Long-term impact of sagittal malalignment on hardware after posterior fixation of the thoracolumbar spine: a retrospective study

 Revision cohort mean ± SDControl cohort mean ± SDp-values
Number F/M(n = 30)
M = 9 F = 21
(n = 22)
M = 12 F = 10
 
Age (years)62.5 ± 15.765.7 ± 12.40.23
BMI26.9 ± 6.426.8 ± 4.70.66
Number of fixed segments7.6 ± 3.65.6 ± 2.40.21
Follow-up (years)3.6 ± 2.93.8 ± 1.70.9
  1. An independent sample t-test revealed no significant difference between the two cohorts in terms of age, BMI, the number of fixed segments, and the duration of follow-up