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Logo of aghpsycbiomed central web sitesearch.manuscript submission.see also annals of general psychiatry journal in pmc.registration.reference to the article.journal front page.
 
From:
Published online 2004 February 13. doi: 10.1186/1475-2832-3-3

Table 1

Variables used in the study and their locations in the statistical model of each analysis.

Variable (with values and their codes for qualitative variables)t-testtwo-way ANCOVAs1)one-way ANCOVAs
genderindep.var.factora)factor
0male
1female
age at admissioncovariatecovariate
diagnosisfactorb)
0others
1schizoperenia
2mood disorders
antipsychotics2)factorb)
00 mg
10–100 mg
2100–500 mg
3500 mg +
antidepressants3)factorb)
00 mg
10–50 mg
250–100 mg
3100 mg +
cardiovascular diseasefactorb)
0absent
1present
cardiovascular diseasefactorb)
0absent
1present
hepatic failurefactorb)
0absent
1present
diabetesfactorb)
0absent
1present
QTc intervaldep.var.dep.var.dep.var.

indep.var. = independent variable dep.var. = dependent variable 1) We included gender (marked with 'a') as one factor, and one of the other qualitative variables (marked with 'b') as the other, therefore we carried out 7 two-way ANCOVAs in total. 2) Dose of antipsychotics was estimated in chlorpromazine equivalents. 3) Dose of antidepressants was estimated in maprotiline equivalents.