Comparison of the demographic variables and psychological measurements between the Alex group and the HC group
| Variables | Alex group n=21 | HC group n=21 | t | P values |
| Demographic data | ||||
| Male, n (%) | 11(52.4) | 11 (52.4) | ||
| Age (years) | 18.14 (1.06) | 18.67 (1.11) | −1.56 | 0.39 |
| TAS-20 scores | ||||
| TAS total | 63.00 (3.22) | 41.00 (7.75) | 11.93 | <0.001 |
| TAS-DIF | 24.38 (2.92) | 13.48 (3.52) | 10.49 | <0.001 |
| TAS-DDF | 17.43 (2.23) | 10.71 (2.57) | 9.05 | <0.001 |
| TAS-EOT | 21.19 (2.96) | 16.81 (3.87) | 4.12 | <0.001 |
Data are presented as percentage/ratio or mean (SD).
Alex group, alexithymia group; DDF, difficulty describing feelings; DIF, difficulty identifying feelings; EOT, externally oriented cognitive style of thinking; HC group, healthy control group; TAS-20, Toronto Alexithymia Scale.