Observed-predicted length of stay for an acute psychiatric department, as an indicator of inpatient care inefficiencies. Retrospective case-series study.

Table 3 Principal components for psychiatric symptoms. Rotated component matrix¹

	Component
Symptom	1	2	3	4	5	6	7	8
Disordered processing and interpretation of sensory information	0.762	-0.112	-0.069	0.058	0.076	0.083	0.004	-0.100
Delirious ideation	0.719	-0.007	0.114	-0.086	-0.013	-0.279	0.081	0.009
Thought origin impairment	0.709	0.129	-0.175	0.121	-0.096	0.121	-0.010	-0.068
Thought process impairment	0.102	0.791	0.003	0.069	0.035	-0.016	-0.127	0.024
Language difficulties	-0.063	0.692	-0.048	0.146	-0.013	0.018	0.077	-0.124
Sexual and gender identity disorders	-0.030	-0.087	0.705	0.013	-0.038	-0.008	-0.168	-0.073
Any eating disorder	-0.184	0.293	0.579	-0.197	0.200	-0.055	0.319	0.035
Orientation	-0.068	0.066	-0.017	0.806	0.041	-0.121	0.225	0.008
Consciousness impairment	0.222	0.192	-0.050	0.589	0.084	-0.008	-0.247	0.132
Any memory impairment	-0.059	0.147	0.135	0.041	0.754	0.141	0.036	0.054
Obsessive ideation	-0.032	0.360	0.256	-0.145	-0.562	0.141	0.084	0.093
Psychomotor agitation	0.079	-0.034	0.211	0.397	0.024	-0.679	-0.040	-0.014
Any sleep disorder	0.024	-0.052	0.336	0.066	0.258	0.597	-0.165	-0.168
Any emotional disorder	0.110	-0.002	-0.059	0.053	0.014	-0.062	0.826	0.006
Any conation disorder	-0.265	-0.095	-0.155	0.096	0.053	-0.214	-0.088	0.665
Suicidal ideation	0.054	-0.186	0.462	0.147	-0.256	0.132	0.008	0.569
Judgment impairment	0.415	0.076	-0.031	0.294	-0.286	0.365	0.088	0.064
Hygienic habits disorder	0.224	0.320	-0.161	-0.110	0.358	0.210	0.193	0.442
Attention-deficit	0.443	0.315	0.120	-0.051	0.123	-0.164	-0.425	0.276

1. "Varimax"rotation. Obtained with the first group of 187 records for deriving the function.

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