Table 4. PANSS scores, Time 1 and Time 2.
| PANSS | FEP (n = 17) | SCZ (n = 24) | Combined (n = 41) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| M | SD | T | M | SD | t | M | SD | t | |
| Positive | |||||||||
| Time 1 | 11.35 | 4.08 | 12.04 | 3.93 | 11.76 | 4.0 | |||
| Time 2 | 8.06 | 3.44 | 9.25 | 4.39 | 8.76 | 4.01 | |||
| Difference | 3.29 | 3.8 | 3.57** | 2.79 | 2.65 | 5.15*** | 3.0 | 3.15 | 6.11*** |
| Negative | |||||||||
| Time 1 | 14.94 | 6.11 | 16.88 | 4.15 | 16.07 | 5.08 | |||
| Time 2 | 12.94 | 4.68 | 15.38 | 4.96 | 14.37 | 4.94 | |||
| Difference | 2.0 | 3.59 | 2.3* | 1.5 | 3.9 | 1.88 | 1.7 | 3.74 | 2.93** |
| Cognitive | |||||||||
| Time 1 | 10.18 | 3.75 | 11.38 | 3.16 | 10.88 | 3.42 | |||
| Time 2 | 8.65 | 2.26 | 10.13 | 4.22 | 9.51 | 3.58 | |||
| Difference | 1.53 | 2.21 | 2.85* | 1.25 | 3.43 | 1.79 | 1.7 | 2.96 | 2.96** |
| Excitement | |||||||||
| Time 1 | 10 | 2.53 | 9.5 | 3.12 | 9.71 | 2.87 | |||
| Time 2 | 7.82 | 2.53 | 8.04 | 3.51 | 7.95 | 3.11 | |||
| Difference | 2.18 | 2.38 | 3.77** | 1.46 | 3.16 | 2.26* | 1.76 | 2.85 | 3.94*** |
| Disorganized | |||||||||
| Time 1 | 4.65 | 2.23 | 5.42 | 2.08 | 5.1 | 2.15 | |||
| Time 2 | 3.65 | 1.32 | 4.67 | 2.75 | 4.24 | 2.3 | |||
| Difference | 1.0 | 1.5 | 2.75* | 0.75 | 2.0 | 1.83 | 0.85 | 1.8 | 3.04** |
| Depression | |||||||||
| Time 1 | 13.76 | 4.24 | 14.5 | 4.28 | 14.2 | 4.23 | |||
| Time 2 | 11.29 | 5.18 | 12.04 | 5.19 | 11.73 | 5.13 | |||
| Difference | 2.47 | 3.61 | 2.82* | 2.45 | 3.35 | 3.6** | 2.46 | 3.41 | 4.62*** |
| P2 | |||||||||
| Time 1 | 1.53 | .943 | 1.87 | 1.14 | 1.73 | 1.06 | |||
| Time 2 | 1.06 | .243 | 1.83 | 1.40 | 1.5 | 1.13 | |||
| Difference | 0.47 | .874 | 2.22* | 0.04 | 1.02 | 0.20S | 0.23 | .974 | 1.46 |
PANSS scores are for subjects who attended both Times 1-2. Two-tailed uncorrected student's t-tests were used. P2 = conceptual disorganization item.
*
=p <.05
**
=p < .01
***
=p < .001