Table 1.
Baseline patient characteristics
| Variable | FM (n = 50) | Non-FM NP (n = 23) | P value |
|---|---|---|---|
| Age, years | 46.3 (9.4) | 47.6 (11.8) | 0.58 |
| Education, years | |||
| 0–8 | 28% (14) | 26% (6) | 0.50 |
| 8–12 | 42% (21) | 48% (11) | |
| > 12 | 30% (15) | 26% (6) | |
| Marital Status | |||
| Single | 20% (10) | 13% (3) | 0.70 |
| Married | 80% (40) | 87% (20) | |
| Employment Status | |||
| Unemployed | 86% (43) | 87% (20) | 0.44 |
| Employed | 14% (7) | 13% (3) | |
| FIQR | 53.6 (19.0) | 20.6 (13.6) | < 0.01 |
| BDI-II | 17.0 (10.0) | 6.4 (6.1) | < 0.01 |
| PSD | 14.8 (4.6) | 4.9 (2.6) | < 0.01 |
| Pain VAS | 7.1 (2.0) | 4.5 (2.7) | < 0.01 |
| SF-12 | |||
| Mental Component | 45.7 (15.4) | 53.1 (9.5) | 0.01 |
| Physical Component | 35.3 (11.0) | 44.7 (11.8) | < 0.01 |
| Serum BDNF*(pg/ml), Mean (SD) | 5293.5 (2676.3) | 6136.3 (4037.6) | 0.77* |
Values are mean (standard deviation), or percent (number), *adjusted for FIQR, BDI-II and VAS: FIQR: Revised Fibromyalgia Impact Questionnaire, Beck Depression Inventory-II, PSD: polysymptomatic distress scale, Pain VAS: Pain visual analog scale, 12-Item Short-Form Health Survey (SF-12). P value < 0.05 is statistically significant