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. 2014 Dec 3;5:174. doi: 10.3389/fpsyt.2014.00174

Table 3.

Factor. analysis (principal component analysis), varimax rotation on the items of the BFCRSa.

Negative factor Stereotypy/mannerisms factor Echo/perseveration factor Excitement factor Grimacing factor Autonomic factor
Excitement −0,320 0,509 0,070 0,442 0,070 −0,156
Immobility/stupor 0,836 −0,06 0,096 −0,135 −0,019 −0,143
Mutism 0,837 0,013 −0,068 −0,069 0,047 −0,177
Staring 0,790 0,140 0,086 −0,111 0,055 0,105
Posturing/catalepsy 0,900 0,007 −0,038 −0,037 0,006 −0,094
Grimacing −0,065 0,142 −0,046 0,180 0,637 −0,065
Echopraxia/echolalia −0,092 −0,209 0,756 −0,066 0,204 −0,247
Stereotypy −0,074 0,830 0,096 0,008 −0,026 −0,005
Mannerisms 0,139 0,608 −0,071 0,215 0,053 0,138
Verbigeration 0,109 0,188 0,727 0,070 −0,149 0,270
Rigidity 0,777 0,069 0,146 0,096 −0,034 0,183
Negativism 0,663 0,115 0,033 0,137 0,490 0,257
Withdrawal 0,665 −0,129 −0,199 0,004 −0,219 −0,103
Impulsivity 0,112 0,492 0,134 0,399 0,192 0,030
Automatic obedience −0,047 0,068 0,010 0,154 −0,068 0,714
Mitgehen 0,075 0,688 −0,018 −0,403 0,270 −0,127
Gegenhalten 0,678 −0,016 0,164 0,280 −0,041 0,053
Ambitendency 0,650 0,223 0,004 −0,069 0,545 0,068
Perseveration 0,243 0,348 0,560 −0,036 −0,403 0,09
Combativeness 0,006 0,068 −0,050 0,728 0,147 −0,018
Autonomic Abnormality −0,033 −0,109 0,042 −0,285 0,053 0,660

aItems waxy flexibility and grasp reflex were excluded from this analysis, because of the zero variance on these items.

Composite scores based on this principal component analysis (symptoms scores in bold) were calculated.