Table 1 The clinical characteristics of two subtypes in FM
|  | C1 | C2 | χ2/t | p-value |
|---|---|---|---|---|
Total patients | 31 | 30 | Â | Â |
Irritable bowel syndrome, n (%) | 14(45.1%) | 16(53.3%) | 0.407 | 0.523 |
Major depression, n (%) | 17(54.8%) | 9(30.0%) | 3.846 | 0.049 |
Bipolar disorder, n (%) | 1(3.1%) | 2(6.6%) | 0.001 | 0.997 |
Chronic fatigue syndrome, n (%) | 4(12.9%) | 7(23.3%) | 1.122 | 0.289 |
Migraine, n (%) | 17(54.8%) | 13(43.3%) | 0.807 | 0.369 |
BMI, mean (SD) | 34.71(6.74) | 30.70(6.58) | 2.377 | 0.021 |
FIQR, mean (SD) | 50.05(16.91) | 58.37(17.14) | − 1.941 | 0.057 |