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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Compr Psychiatry. 2010 Mar 29;51(5):471–479. doi: 10.1016/j.comppsych.2010.02.005

Table 1.

Differences in processing speed between diagnostic groups at each time point

F p-value Direction
2-Year Follow-Up 13.22 < .001 DEP > OPD > SCZ
4.5-Year Follow-Up 10.22 < .001 DEP = OPD > SCZ
7.5-Year Follow-Up 17.27 < .001 DEP > OPD > SCZ
10-Year Follow-Up 8.07 < .001 DEP > OPD = SCZ
15-Year Follow-Up 8.86 < .001 DEP > OPD = SCZ
20-Year Follow-Up 7.40 < .002 DEP > OPD = SCZ

SCZ = Schizophrenia; OPD = Other Psychotic Disorders; DEP = Non-Psychotic Depression

Note: A = symbol in the Direction column indicates that groups do not differ significantly