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.