Table 2 Clinical outcomes during the follow-up period
Variables | Non-obese (n = 86) | Obese (n = 29) | Mean difference (95% CI) | p-value |
|---|---|---|---|---|
VAS pain score for lower back | ||||
3 months | 3.47 ± 2.30 | 3.78 ± 2.44 | −0.67 (−2.64 to 1.30) | 0.513 |
6 months | 2.68 ± 1.82 | 2.80 ± 1.55 | −0.12 (−1.44 to 1.20) | 0.783 |
12 months | 2.25 ± 2.14 | 2.25 ± 2.55 | 0.00 (−1.82 to 1.82) | 0.945 |
Overall intervention effect* | NA | NA | NA | 0.967 |
VAS pain score for the lower extremities | ||||
3 months | 3.05 ± 2.67 | 3.11 ± 2.87 | − 0.06 (−2.38 to 2.26) | 0.891 |
6 months | 2.28 ± 2.16 | 1.90 ± 1.97 | 0.38 (−1.20 to 1.97) | 0.921 |
12 months | 1.57 ± 2.17 | 2.63 ± 2.30 | − 1.05 (− 2.88 to 0.77) | 0.232 |
Overall intervention effect* | NA | NA | NA | 0.611 |
ODI score | ||||
3 months | 21.65 ± 9.65 | 19.67 ± 10.44 | 1.98 (−9.58 to 13.55) | 0.860 |
6 months | 18.29 ± 13.25 | 18.32 ± 13.89 | −0.03 (−10.11 to 10.06) | 0.742 |
12 months | 13.32 ± 12.43 | 11.05 ± 8.09 | 2.27 (−7.85 to 12.38) | 0.897 |
Overall intervention effect* | NA | NA | NA | 0.884 |
EQ-5D value | ||||
3 months | 0.761 ± 0.115 | 0.735 ± 0.129 | 0.026 (−0.156 to 0.208) | 0.823 |
6 months | 0.756 ± 0.145 | 0.755 ± 0.104 | 0.001 (−0.132 to 0.134) | 0.990 |
12 months | 0.838 ± 0.128 | 0.760 ± 0.079 | 0.078 (− 0.034 to 0.191) | 0.264 |
Overall intervention effect* | NA | NA | NA | 0.753 |