Table 1.
Meta-analytic Outcomes of Early Detection Strategies
| Outcome | k Studies | n INT | n CTRL | Hedges’ g | Z Scores | P | Test for Heterogeneity | Egger’s Test | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | 95% CI | Q | I 2 | P | T Values | P | |||||||
| Functioninga | 8 (10) | 1182 | 1010 | 0.281 | 0.073 | 0.488 | 2.653 | .008 | 27.310 | 74.368 | <.001 | 0.209 | .841 |
| Total psychopathologyb | 7 (10) | 1032 | 902 | 0.186 | −0.173 | 0.546 | 1.016 | .310 | 49.654 | 87.916 | <.001 | 0.307 | .771 |
| Admission rates | 3 (3) | 348 | 406 | 0.179 | −0.146 | 0.504 | 1.08 | .280 | 5.747 | 65.202 | .056 | 0.143 | .908 |
| Quality of life | 4 (5) | 546 | 456 | 0.154 | −0.217 | 0.525 | 0.812 | .417 | 13.193 | 77.261 | .004 | 4.182 | .053 |
| Positive symptomsc | 8 (14) | 809 | 828 | 0.078 | −0.126 | 0.283 | 0.749 | .454 | 26.951 | 74.027 | <.001 | 0.367 | .726 |
| Negative symptomsd | 10 (16) | 1231 | 1024 | 0.078 | −0.064 | 0.219 | 1.078 | .281 | 20.719 | 56.559 | .014 | 0.638 | .541 |
| Employment rates | 7 (7) | 1307 | 1247 | 0.025 | −0.124 | 0.173 | 0.324 | .746 | 7.585 | 20.901 | .270 | 0.262 | .804 |
| Depressive symptomse | 3 (3) | 328 | 282 | 0.003 | −0.157 | 0.162 | 0.031 | .975 | 0.059 | 0.000 | .971 | 0.333 | .795 |
Note: aFunctioning was evaluated with the Global Assessment of Functioning (GAF),9 the Social and Occupational Functioning Assessment Scale (SOFAS)10 or the Global Functioning: Role (GFR); Global Functioning: Social (GFS).11,12
bTotal psychopathology was evaluated with the Positive and Negative Syndrome Scale (PANSS)2 or the Brief Psychiatric Rating Scale (BPRS).4
cPositive symptoms were evaluated with the Positive and Negative Syndrome Scale (PANSS),2 the Scale for the Assessment of Positive Symptoms (SAPS)3 or the Brief Psychiatric Rating Scale (BPRS).4