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Table 3 Comparison of preoperative and 12-month postoperative outcomes

From: Preoperative low muscle mass is a predictor of falls within 12 months of surgery in patients with lumbar spinal stenosis

 

Preoperative

(n = 74)

Postoperative

(n = 74)

P

NRS score for leg pain

5.0 (3.0–7.0)

1.0 (0.0–4.0)

< 0.001

NRS score for back pain

5.0 (3.0–7.0)

1.0 (0.0–3.0)

< 0.001

JOA score

16.0 (12.0–18.0)

22.0 (17.0–26.0)

< 0.001

Walking speed (m/sec)

1.01 (0.78–1.17)

1.23 (1.02–1.36)

< 0.001

  1. Data are presented as medians (interquartile range)
  2. NRS Numerical rating scale, JOA Japanese Orthopaedic Association