Table 2

Correlations between prepulse inhibition variables and clinical variables in the group of individuals at ultra-high risk for psychosis

CorrelationStartle reactivity%PPI
At baseline
 Total SIPSR = 0.078R = −0.046
 Total BSABS-PR = −0.003R = −0.207
 GAFR = −0.320*R = −0.010
At 2-yr follow-up
 Total SIPSR = 0.182R = 0.307*
 Total BSABS-PR = 0.000R = 0.115
 GAF scoreR = 0.166R = 0.057
Changes in PPI variables and clinical variables
 Total SIPS changeR = 0.042R = 0.239
 Total BSABS-P changeR = −0.337*R = −0.331*
 GAF score changeR = 0.050R = −0.104
  • BSABS-P = Bonn Scale for the Assessment of Basic Symptoms-Prediction List;17 GAF = Global Assessment of Functioning; PPI = prepulse inhibition; SIPS = Structured Interview for Prodromal Symptoms.16

  • * Significant at p < 0.05.