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Table 2 The average time for weakness to develop after surgery was due to different reasons

From: Causes of lower extremity weaknesses after posterior lumbar spine fusion surgery and therapeutic effects of active surgical exploration

Causes of weakness

Average time after surgery (days)

P value

Internal fixation factors

3.4 ± 1.2

0.238

Epidural hematomas

1.4 ± 0.5

0.026*

Insufficient decompressions

2.6 ± 1.1

0.079

Nerve root edemas

4.8 ± 2.0

 
  1. Compared to the “nerve root edemas” group
  2. *"Epidural hematomas" group was significantly shorter compared to the "nerve root edemas" group