Table 4 Comparison of general characteristics between the good and poor prognosis groups

Sex (n, %)

0.287

0.592

- Male

85 (66.41%)

40 (62.50%)

- Female

43 (33.59%)

24 (37.50%)

Age (years)

57.67 ± 5.64

56.98 ± 5.33

0.818

0.414

BMI (kg/m²)

22.54 ± 1.15

23.34 ± 1.22

4.397

< 0.001

Follow-up Duration (months)

22.37 ± 2.16

22.44 ± 2.19

0.214

0.83

Preoperative Diagnosis (n, %)

0.451

0.930

- Lumbar Disc Herniation

58 (45.31%)

29 (45.31%)

- Lumbar Spinal Stenosis

42 (32.81%)

20 (31.25%)

- Lumbar Spondylolisthesis

18 (14.06%)

11 (17.19%)

- Others

10 (7.81%)

4 (6.25%)