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Table 6 Comparison of therapeutic efficacy (\(\overline{x}\) ± s, points)

From: Efficacy of lumbar decompression under large-channel spinal endoscope in elderly patients with segmental lumbar spinal stenosis

Indicator

Study group (n = 34)

Control group (n = 34)

t/χ2

p

Excellent

15

9

  

Good

16

15

  

Medium

2

3

  

Poor

1

7

  

Total efficacy

33()

27()

5.111

0.024

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X