Characteristics Total (n=29)
Age (years)
51.4 ± 6.5 53 (47.5, 57)
Sex
Men: 10 (34%) Women: 19 (66%)
Weight (kg)
86.8 ± 19.9 88.7 (75.1, 98)
Height (cm)
164.9 ± 9.2 164 (158, 173)
BMI (kg/m2)
31.8 ± 6.2 32.5 (27.4, 37.1)
Neuropathic pain diagnosis
Cervical disc herniation (n=2) Lumbar disc herniation (n=8) Diabetic neuropathic pain (n=19)
Diabetes control
Well-controlled diabetes (HbA1c < 8%, n=9) Poorly controlled diabetes (HbA1c >8%, n=10)
Basal pain on VAS
7.9 ± 1.5 8 (7, 9.5)
Urea (mg/dL)
38.3 ± 20.6 32.4 (25.8, 41.2)
Creatinine (mg/dL)
0.92 ± 0.36 0.81 (0.67, 1.04)
eGFR (mL/min/1.73m2)
85.5 ± 22.9 89 (72, 104)
AST (U/L)
21.9 ± 9.1 20.6 (16.1, 23.7)
ALT (U/L)
21.4 ± 8.9 19.5 (14.8, 27.1)
GGT (U/L)
40.6 ± 32.9 28.9 (21, 49.4)
TB (mg/dL)
0.52 ± 0.23 0.5 (0.4, 0.58)
FGL (mg/dL)
126 ± 54.4 110.8 (85, 156.3)
HbA1c (%)
7.3 ± 1.9 7 (5.6, 9.1)
Genotype for SLC22A2 808G>T (rs316019)
GG: 22 (76%) GT: 7 (24%)
Genotype for SLC22A4 1507C>T (rs1050152)
CC: 11 (38%) CT: 13 (45%) TT: 5 (17%)