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Table 4 Summary of the lower extremity VAS follow-up results

From: Closed drainage versus non-drainage for single-level lumbar discectomy: a prospective randomized controlled study

 

Closed drainage group

Non-drainage group

p

Preoperative

7.6 ± 0.8

7.7 ± 0.7

0.179

Postoperative

2.7 ± 0.7

2.8 ± 0.7

0.134

Last follow-up

2.0 ± 0.7

2.1 ± 0.6

0.128

  1. Data are presented as mean ± standard deviation
  2. Abbreviation: VAS visual analog scale
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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