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Table 2 General clinical results in the group A and group B

From: Linical efficacy of percutaneous endoscopic lumbar discectomy for the treatment of lumbar spinal stenosis in elderly patients: a retrospective study

Items

Group A (65–74 years)

Group B (≥ 75 years)

P value

Operative time (min)

78.42 ± 20.34

81.98 ± 21.86

> 0.05

Blood loss (ml)

41.51 ± 10.06

45.79 ± 10.60

> 0.05

Postop. bed rest (h)

4.9 ± 1.82

5.2 ± 1.73

> 0.05

Postop. hospital stay (days)

2.7 ± 0.96

3.0 ± 0.87

> 0.05

Postop. complications and other events (n)

1

2

> 0.05