| | BD I patients | Healthy controls | Statistics | | Suicidal () | Nonsuicidal () | () |
| Gender () | | | | | Male | 6 | 5 | 10 | = 2.31, = 0.31 | Female | 13 | 16 | 12 | | Age, mean ± SD (years) | 39.8 ± 11.4 | 42.0 ± 8.6 | 37.7 ± 13.5 | , | Educational level, mean ± SD (years) | 12.0 ± 3.0 | 11.2 ± 3.7 | 11.2 ± 2.7 | , = 0.69 | Age of onset, mean ± SD (years) | 24.3 ± 9.0 | 25.3 ± 9.4 | NA | , = 0.73 | Length of illness, mean ± SD (years) | 15.6 ± 7.2 | 16.5 ± 10.7 | NA | , = 0.75 | Hospitalizations () | | | | | Yes | 13 | 18 | NA | , = 0.26 | No | 6 | 3 | NA | | Number of hospitalizations, mean ± SD | 6.0 ± 5.8 | 3.1 ± 2.8 | NA | , = 0.08 | Type of first episode | | | | | Depression | 11 | 10 | NA | , = 0.39 | Mania | 7 | 11 | NA | | Unknown | 1 | 0 | NA | | Lifetime psychoses () | | | | | Yes | 15 | 9 | NA | , = 0.96 | No | 4 | 11 | NA | | Family history of suicide () | | | | | Yes | 6 | 4 | NA | , = 0.47 | No | 13 | 17 | NA | | Family history of attempt suicide () | | | | | Yes | 2 | 4 | NA | , = 0.66 | No | 17 | 17 | NA | | Psychiatric comorbidities () | | | | | Yes | 10 | 4 | NA | = 4,51, = 0.03* | No | 9 | 16 | NA | | †BIS total score, mean ± SD | 65.3 ± 14.7 | 59 ± 8.8 | 58,5 ± 9,6 | , = 0.312 | Attention score, mean ± SD | 20.2 ± 4.0 | 17.1 ± 2.5 | 17.5 ± 3.7 | , = 0.031* | Motor score, mean ± SD | 19.3 ± 5.8 | 19.8 ± 4.9 | 18.6 ± 4.4 | , = 0.28 | Nonplanning score, mean ± SD | 25.8 ± 6.3 | 22.1 ± 4.3 | 22.5 ± 4.3 | , |
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