Baseline description of demographic and clinical characteristics of two cohorts of patients presenting between 1995–1999 and 2005–2016 for assessment of first-episode psychosis prior to (C1) and after (C2) the introduction of an EIP service
| C1 (1995–1999) n=171 | C2 (2005–2016) n=319 | |||
| Gender, n (%) | ||||
| Male | 99 (58) | 189 (59.2) | ||
| Female | 72 (42) | 130 (40.8) | ||
| Age, mean (SD) | 28.5 (11.1) | 32.5 (11.3) | ||
| Inpatient on assessment, n (%) | 144 (84.2) | 216 (67.7) | ||
| Initial diagnosis*, n (%) | ||||
| Schizophrenia spectrum | 101 (59.1) | 124 (39.2) | ||
| Substance-induced psychosis | 12 (7) | 45 (14.2) | ||
| Major depressive disorder | 11 (6.4) | 36 (11.4) | ||
| Bipolar disorder | 25 (14.6) | 35 (11.1) | ||
| Delusional disorder | 13 (7.6) | 35 (11.1) | ||
| Brief psychotic disorder | 0 | 22 (7) | ||
| All other psychotic diagnoses | 4 (5.2) | 19 (6) | ||
| Mean | Median | Range | Median (IQR) | |
| DUP (months)† | 17.9 | 5 | 0.25–240 | 3 (0.63–13) |
| GAF‡ | 22.9 | 35 (30–48.5) | ||
| PANSS-Total | 74.4 | |||
| PANSS-Negative | 15.7 | |||
| PANSS-Positive | 21.3 | |||
| SAPS-Total§ | 18 (10–31) | |||
| SANS-Total¶ | 12 (3–22) | |||
*3 missing C2.
†5 missing C1; 156 missing C2.
‡6 missing C2.
§11 missing C2.
¶14 missing C2.
DUP, estimated duration of untreated psychosis; EIP, early intervention in psychosis; GAF, Global Assessment of Functioning; PANSS-Negative, Positive and Negative Syndrome Scale negative symptom score; PANSS-Positive, Positive and Negative Syndrome Scale positive symptom score; PANSS-Total, Positive and Negative Syndrome Scale total symptom score; SANS-Total, Scale for the Assessment of Negative Symptoms total score; SAPS-Total, Scale for the Assessment of Positive Symptoms total score.