Toronto Alexithymia Scale (TAS-20) total scores, percentage reaching criteria for presence of alexithymia (>60) and subscale scores for DIF, DDFs and EOT
| Scales | Patients with FMS | Patients with OMD | Healthy controls | p Value |
|---|---|---|---|---|
| TAS-20 score mean (SD) | 55.38 (12.12) | 49.19 (9.13) | 40.79 (8.54) | <0.002 |
| TAS-20 < 51 n (%) | 24 (43.6) | 19 (57.6) | 31 (91.2) | <0.002 |
| TAS-20=52–60 n (%) | 12 (21.8) | 11 (33.3) | 1 (2.9) | <0.003 |
| TAS-20 > 61 n (%) | 19 (34.5) | 3 (9.1) | 2 (5.9) | <0.001 |
| DIF mean (SD) | 14.42 (4.5) | 12.06 (3.8) | 9.97 (3.1) | <0.003 |
| DDF mean (SD) | 21.22 (5.8) | 17.48 (5.4) | 12.74 (4.4) | <0.002 |
| EOT Mean (SD) | 19.76 (4.6) | 19.85 (3.6) | 18.06 (4.0) | 0.128 |
DDF, difficulty describing feeling; DIF, difficulty identifying feelings; EOT, externally orientated thinking; FMS, functional motor symptoms; OMD, organic movement disorders.