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Table 2 Comparison of surgery-related records between the two groups

From: A real-time 3D electromagnetic navigation system for percutaneous transforaminal endoscopic discectomy in patients with lumbar disc herniation: a retrospective study

Characteristics

EMN (n = 32)

C-arm (n = 47)

P value

Radiation time (s)

4.50 ± 0.99

28.61 ± 12.19

< 0.001

Puncture time (min)

26.13 ± 14.29

44.15 ± 13.47

< 0.001

Operative time (min)

72.97 ± 25.24

94.21 ± 20.93

< 0.001