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. Author manuscript; available in PMC: 2011 Aug 5.
Published in final edited form as: Am J Psychiatry. 2011 Apr 15;168(8):800–805. doi: 10.1176/appi.ajp.2011.10081191

Table 1.

Symptoms and Functioning Over Time in Patients at Clinical High Risk for Developing Psychosis

Measure Timepoint
Analysis
Baseline (N=111)
1 Year (N=111)
2 Years (N=111)
Baseline to 1 Year
1 Year to 2 years
Mean SD Mean SD Mean SD t df t df
Symptoms
 Attenuated positive 11.33 3.55 5.01 3.91 4.62 3.95 15.53*** 110 1.08 76
 Negative 9.78 6.26 5.75 5.66 4.57 5.62 6.8*** 110 1.85 76
Global Functioning rating
 Social 6.66 1.56 7.13 1.43 7.30 1.56 −3.37** 110 −1.42 76
 Role 6.67 1.76 7.35 1.30 7.46 1.46 −4.47*** 110 −0.88 110
Global Assessment of Functioning Scale score 51.92 11.05 61.21 13.08 64.98 13.12 −7.64*** 110 −2.87* 110
*

p<0.05;

**

p≤0.01;

***

p<0.0001.