Table 1.
Sociodemographic and clinical features of first-episode psychosis (FEP) patients
| BFCSI-negative patients (n = 45) | BFCSI-positive patients (n = 13) | |
|---|---|---|
| Age (mean, s.d.) | 27.7 (9.94) | 27 (10.46) |
| Sex (n, %) | ||
| Female | 15/45 (33.3) | 4/13 (30.8) |
| Male | 30/45 (66.7) | 9/13 (69.2) |
| Mother’s age at birth (mean, s.d.) | 26.6 (6.06) | 28.2 (5.69) |
| Father’s age at birth (mean, s.d.) | 28.9 (4.97) | 34 (9.89) |
| Family history of psychiatric disorder (n, %) | 22/45 (48.9) | 6/13 (46.2) |
| Marital status (n, %) | ||
| Single | 35/45 (77.8) | 10/13 (76.9) |
| Married/couple | 6/45 (13.3) | 2/13 (15.4) |
| Divorced | 4/45 (8.9) | 1/13 (7.7) |
| Living status (n, %) | ||
| Alone | 5/45 (11.1) | 1/13 (7.7) |
| With a partner | 1/45 (2.2) | 0/13 (0) |
| Parents | 24/45 (53.3) | 8/13 (61.5) |
| Other relatives | 6/45 (13.3) | 1/13 (7.7) |
| Children | 4/45 (8.9) | 1/13 (7.7) |
| Others | 5/45 (11.1) | 2/13 (15.4) |
| Educational level (n, %) | ||
| Incomplete secondary school | 10/45 (22.2) | 3/13 (23.1) |
| Secondary school | 21/45 (46.7) | 5/13 (38.5) |
| Incomplete university | 7/45 (15.6) | 1/13 (7.7) |
| University | 2/45 (4.4) | 1/13 (7.7) |
| Others | 5/45 (11.1) | 3/13 (23.1) |
| Educational years (n, %) | ||
| 5–8 years | 5/44 (11.4) | 0/13 (0.0) |
| 9–12 years | 19/44 (43.2) | 3/13 (23.1) |
| >12 years | 20/44 (45.5) | 10/13 (76.9) |
| Clinical data | ||
| DSM-5 catatonia (n, %) | 0 | 5/13 (38.5)*** |
| Antipsychotic-naive (n, %) | 32/45 (71.1) | 8/13 (61.5) |
| Non-affective psychosis (n, %) | 41/45 (91.1) | 10/13 (76.9)* |
| DSM-IV diagnosis (n, %) | ||
| Schizophrenia | 17/45 (37.8) | 6/13 (46.2) |
| Schizophreniform disorder | 13/45 (28.9) | 2/13 (15.4) |
| Brief psychotic disorder | 1/45 (2.2) | 0 |
| Psychosis NOS | 9/45 (20.0) | 2/13 (15.4) |
| Shared psychotic disorder | 1/45 (2.2) | 0 |
| Bipolar disorder | 1/45 (2.2) | 2/13 (15.4) |
| Major depressive disorder | 2/45 (4.4) | 1/13 (7.7) |
| Affective disorder NOS | 1/45 (2.2) | 0 |
| Tetrahydrocannabinol consumption (n, %) | 12/45 (26.7) | 5/13 (38.5) |
| DUP in months (median, IQR) | 6.0 (2.0–12.0) | 9.0 (4.0–22.0) |
| Days hospitalisation (median, IQR) | 17.0 (10.0–24.0) | 25.0 (18.0–36.0) |
BFCSI, Bush Francis Catatonia Screening Instrument; DUP, duration of untreated psychosis; IQR, interquartile range; THC, tetrahydrocannabinol; NOS, not otherwise specified.
Catatonia defined by the presence of ≥2 signs on the Bush Francis Catatonia Screening Instrument (BFCSI) sustained for over 24 h.