Table 2.
Subjective cognitive complaints questionnaire*.
| Controls (n = 47) | FM (n = 40) | P | Effect size | ||
|---|---|---|---|---|---|
| Memory | |||||
| Q1: Forget where items are located | 7 (15%) | 19 (48%) | 0.001 | 0.355 | |
| Q2: Forget the date or the time of an appointment | 2 (4%) | 6 (15%) | 0.084 | 0.185 | |
| Q3: Forget the news you have just seen | 3 (6%) | 14 (35%) | 0.001 | 0.360 | |
| Q4: Forget to pay bills | 3 (6%) | 11 (28%) | 0.008 | 0.286 | |
| Visuospatial | |||||
| Q5: Easily go in the wrong direction or get lost | 2 (4%) | 6 (15%) | 0.084 | 0.185 | |
| Language | |||||
| Q6: Loss for words during conversation | 3 (6%) | 11 (28%) | 0.008 | 0.286 | |
| Q7: Difficulty understanding what other people say | 2 (4%) | 3 (8%) | 0.517 | 0.069 | |
| Executive | |||||
| Q8: Difficulty in counting the total prices | 2 (4%) | 9 (23%) | 0.011 | 0.274 | |
| Q9: Easily distracted or concentrating | 12 (26%) | 24 (60%) | 0.001 | 0.349 | |
| Q10: Difficulty in learning to use new tools | 10 (21%) | 23 (58%) | 0.001 | 0.372 | |
| Q11: Difficulty in making plans you seldom do | 4 (9%) | 9 (23%) | 0.068 | 0.196 | |
| Q12: Irritable when doing somethings unfamiliar | 10 (21%) | 28 (70%) | < 0.001 | 0.490 | |
| Total score | 1.3 ± 2.2 | 4.1 ± 2.6 | < 0.001 | 1.171 | |
Data are mean ± SD, number (%) or % (n/N). Effect sizes are expressed as φ for Q1–Q12 and Cohen's d for the total score.
FM fibromyalgia.
*Detailed description of each question is listed in the supplementary table S1.