Table 2 Postoperative outcomes of the patients receiving elective lumbar spinal fusion

Fusion^a

20 (95.2)

11 (84.6)

0.544

Infection^a

0 (0)

2 (15.4)

0.139

Postoperative 3-month evaluation

 ODI

7.0 (5.4)

11.0 (4.8)

0.007

 VAS

2.8 (1.5)

3.8 (1.2)

0.078

 25(OH)VitD (ng/ml)

31.9 (10.0)

27.9 (13.8)

0.184

 Calcium (mg/dl)

9.2 (0.4)

9.1 (0.4)

0.319

Postoperative 6-month evaluation

 ODI

2.3 (1.6)

8.4 (3.9)

 < 0.001

 VAS

1.5 (1.0)

3.2 (1.0)

 < 0.001

 25(OH)VitD (ng/ml)

31.6 (8.2)

27.4 (12.9)

0.092

 Calcium (mg/dl)

9.0 (0.4)

9.0 (0.3)

0.887