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. Author manuscript; available in PMC: 2018 Sep 1.
Published in final edited form as: Am J Psychiatry. 2017 Dec 5;175(3):275–283. doi: 10.1176/appi.ajp.2017.16111203

Table 2.

Correlations between P50 ratio scores and clinician-rated negative and positive symptoms in patients (N = 52).

Symptom Scale Scores r p
SANS Summary 0.315 0.023
  Affective flattening 0.201 0.153
  Alogia 0.112 0.428
  Avolition-apathy 0.248 0.077
  Anhedonia-asociality 0.143 0.312
  Inattentiona 0.408 0.003
SAPS Summary 0.043 0.760
  Hallucinations 0.079 0.577
  Delusions 0.152 0.282
  Bizarre Behavior −0.124 0.385
  Positive Formal Thought Disorder −0.060 0.672

Note. SANS = Scale for the Assessment of Negative Symptoms, SAPS = Scale for the Assessment of Positive Symptoms.

a

Retained significance following False Discovery Rate (FDR) correction for multiple comparisons.