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Table 3 Difference in the area of the FPZ between the two groups pre- and postoperatively

From: Comparison of bone reamer and trephine for foraminoplasty in percutaneous endoscopic lumbar discectomy based on 3D slicer and Digimizer software

Indicators

Group-R (n = 31)

Group-T (n = 32)

T value

P value

Area of preoperative FPZ (mm2)

53.17 ± 12.86

54.69 ± 16.60

1.960

0.167

Area of postoperative FPZ (mm2)

66.13 ± 16.47

81.98 ± 22.35

1.987

0.164

Expanded area (mm2)

12.96 ± 11.41

27.30 ± 21.48

10.042

0.002

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X