Demographic

Control group

Experimental group

P value^#

Number of patients

14

14

Age in years

38 ± 9 [18 - 49]

49 ± 16 [16 - 69]

0.0072*

Sex (men/women)

6/8 (43%/57%)

6/8 (43%/57%)

1.0000

Smoker (%)

50%

0%

0.0058*

Alcohol consumption (%)

21%

7%

0.5956

Number of spinal levels fused

5.1 ± 3.4 [3 - 13]

5.1 ± 3.5 [2 - 13]

0.7762

Follow-up time in months

16.4 ± 1.9 [14 - 20]

16.3 ± 2.6 [13 - 22]

0.8673

Posterolateral fusion: Lenke classification

Lenke A

13 (93%)

13 (93%)

1.0000

Lenke B

1 (7%)

0 (0%)

Lenke C

0 (0%)

0 (0%)

Lenke D

0 (0%)

1 (7%)

Radiographic posterolateral and interbody fusion: composite score

Composite fusion score

2.14 ± 0.53 [2 - 4]

0.71 ± 2.67 [0 - 10]

<0.0001*

ODI

Preoperative

52.43 ± 16.51 [20 - 76]

55.71 ± 13.29 [24 - 72]

Postoperative

21.00 ± 6.69 [12 - 36]

25.00 ± 8.62 [0 - 38]

Delta (post – preoperative)

−31.43 ± 14.09 [−52 - −4]

−30.71 ± 14.90 [−56 - −4]

0.8973

Pain

Preoperative

6.07 ± 1.82 [2 - 9]

5.86 ± 2.54 [0 - 9]

Postoperative

1.71 ± 0.99 [0 - 3]

1.64 ± 1.28 [0 - 3]

Delta (post – preoperative)

−4.36 ± 1.65 [−7 - −2]

-4.21 ± 2.49 [−7 - +1]

0.8593