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Table 1 The radiographic measurements in 16 patients at different time points

From: CT-based radiographic measurements and effectiveness estimates of full-endoscopic surgery in thoracic myelopathy caused by ossification of ligamentum flavum

Time

Sagittal OLF area (mm2)

Sagittal OLF Proportion (%)

Cross OLF area (mm2)

Cross OLF Proportion (%)

Preoperatively

116.62 ± 32.72

48.10 ± 10.04

141.59 ± 27.25

57.58 ± 11.37

3 days after the operation

15.99 ± 12.54*

6.46 ± 486*

11.72 ± 8.64*

4.76 ± 3.45*

1 year after the operation

16.78 ± 11.49*

6.83 ± 4.48*

10.82 ± 7.57*

4.40 ± 3.01*

  1. *: Compared with the “Preoperatively” data, the differences were statistically significant (P < 0.05). Continuous data were presented as the mean ± standard deviation (SD).