Table 2. Univariate tests for clinical factors.

Clinical factors	Readmitted N=77		Not readmitted N=291		p
	n	%	n	%
PFU status					1.000 f
-    Ordinary	74	96.1	280	96.2
-    Target	3	3.9	11	3.8
Primary psychiatric diagnosis					0.017 f
-    Cognitive disorders	26	33.8	111	38.2
-    Depressive disorders	18	23.4	103	35.4
-    Bipolar disorders	3	3.9	12	4.1
-    Psychotic disorders	29	37.6	56	19.2
-    Others	1	1.3	9	3.1
Psychiatric comorbidities					0.149 c
-    Present	20	26.0	54	18.6
-    Absent	57	74.0	237	81.4
MMSE scores					0.518 f
-    Less than 10	14	18.2	36	12.4
-    11–20	24	31.1	95	32.6
-    21–26	13	16.9	55	18.9
-    Over 26	4	5.2	29	10.0
-    Not documented	22	28.6	76	26.1
Referral to other disciplines					0.001 c
-    Yes	42	54.5	215	73.9
-    No	35	45.5	76	26.1
History of suicidal behaviors					0.002 c
-    Yes	29	37.7	60	20.6
-    No	48	62.3	231	79.4
History of violence					<0.001 c
-    Yes	28	36.4	30	10.3
-    No	49	63.6	261	89.7
	Median	IQR	Median	IQR
Length of inpatient stay (days)	30	17–68.5	26	12–50	0.050 m
Number of physical illnesses	2	1–4	2	1–3	0.775 m
Number of previous admissions	1	0–4	0	0–0	<0.001 m

^cChi-squared test, ^fFisher’s exact test, ^mMann Whitney U test

PFU priority follow-up, MMSE Mini-mental State Examination, IQR interquartile range