Research Article
Association of Serum Serotonin and Pain in Patients with Chronic Low Back Pain before and after Spinal Surgery
Table 2
The detailed data about levels of pre- and postoperative serum serotonin.
| | Serum serotonin (ng/mL) | | | Pre-operation | Post-operation | P value |
| Surgery | | | | Laminectomy & discectomy | 3.59 ± 1.11 | 3.62 ± 0.94 | .84 | Laminectomy & discectomy | 3.19 ± 1.39 | 3.56 ± 1.58 | .07 | Gender | | | | Male | 3.36 ± 1.05 | 3.79 ± 1.24 | .03 | Female | 3.37 ± 1.41 | 3.46 ± 1.37 | .59 | Age | | | | < 50 yrs/old | 3.77 ± 1.18 | 3.77 ± 1.33 | .97 | > 50 yrs/old | 2.62 ± 1.11 | 3.23 ± 1.27 | .005 | Current cigarette smoker | | | | Yes | 3.66 ± 0.82 | 4.17 ± 1.09 | .1 | No | 3.32 ± 1.34 | 3.48 ± 1.34 | .25 | Current opium addict | | | | Yes | 3.29 ± 1.17 | 3.34 ± 1.13 | .63 | No | 3.38 ± 1.3 | 3.61 ± 1.35 | .1 |
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Data are shown as mean ± standard deviation.
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