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. Author manuscript; available in PMC: 2011 Nov 1.
Published in final edited form as: Am J Psychiatry. 2010 Sep 15;167(11):1339–1348. doi: 10.1176/appi.ajp.2010.09121731

Table 2.

Correlations between clinical and spindle parameters in schizophrenia patients.

Spindle parameter Spindle Number ISA
Duration of illness r= −.25; p=.09 r= −.15; p=.31
Number of hospitalizations r= .09; p=.53 r= .18; p=.21
Age r= −.33; p=.02 r= −.09; p=.51
Medication dose r= −.18; p=.20 r= −.13; p=.38
Positive symptoms r= −.40; p=.005 r= −.37; p=.01
Negative symptoms r= −.32; p=.02 r= −.28; p=.06
General symptoms r= −.20; p=.17 r= −.19; p=.20