Table 1.
Characteristics of the 61 Bariatric Surgery (BS) cases included in the analysis. Confrontations were performed through Student’s t test for unpaired data for continuous variables and by means of Chi squared test or Fisher’s test (= *) for dichotomous variables
| All cases (n=61, 100%) | NP (n=7, 11.5%) | Non-NP (n=54, 88.5%) | p value | |
| Age (years; mean±SD) | 41.8±11.4 | 42.7±13.9 | 41.7±11.2 | 0.831 |
| Female Sex (n, %) | 50, 82.0% | 6, 85.7% | 44, 81.5% | 1.000 |
| Smoking history (n, %) | 8, 26.7% | 0, - | 8, 30.8% | 0.550* |
| Diabetes (n, %) | 10, 16.4% | 2, 28.6% | 8, 14.8% | 0.702 |
| Surgical procedure | 0.963 | |||
| Gastric banding | 31, 50.8% | 3, 42.9% | 51.9% | |
| Gastric bypass | 30, 49.2% | 4, 57.1% | 48.1% | |
| BMI TO (Kg/m2; mean±SD) | 44.4±7.2 | 44.3±3.8 | 44.4±7.6 | 0.969 |
| BMI T1(Kg/m2; mean±SD) | 32.7±4.9 | 32.0±5.1 | 32.8±4.9 | 0.719 |
| T2 data | ||||
| EWL (%) | 59.8±22.3 | 61.9±30.8 | 59.5±21.4 | 0.843 |
| Vitamin B1 (nmol/L) | 113.3±36.3 | 111.5±37.1 | 126.8±28.3 | 0.297 |
| Vitamin B2 (^g/L) | 258.1±76.7 | 213.7±72.2 | 263.9.±76.0 | 0.103 |
| Vitamin B6 (^g/L) | 19.6±5.1 | 17.2±3.3 | 19.9±5.2 | 0.185 |
| Vitamin B12 (pg/mL) | 249.1±101.3 | 251.3±99.3 | 260.3±106.4 | 0.829 |
| SF-36 (TO) | 478.3±160.2 | 344.5±146.5 | 495.6±154.8 | 0.018 |
| SF-36 (T+24) | 686.8±152.4 | 589.6±167.5 | 699.4±147.3 | 0.141 |
Notes: NP=neuropathic pain; Non-NP=non neuropathic pain; BMI=Body Mass Index (Kg/m2); T0=Before Surgery; T1=at follow up (12 months after surgery); SF-36=Short Form (36) Health Survey; EWL=Percent excess body weight lost