Diagnostic accuracy and clinical applicability of the Swedish version of the 4AT assessment test for delirium detection, in a mixed patient population and setting

Table 2 Demographic and clinical characteristics for older inpatients, divided by delirium status (reference standard) (n = 200)

	Total (n = 200)	Delirium absent n = 164 (82%)	Delirium present n = 36 (18%)	p value
Age, median (QL-QU)^a	80 (73–87)	79 (73–85)	85 (78–88)	0.019^d
Gender, n (%)				0.439^e
Men	105 (53%)	84 (51%)	21 (58%)
Women	95 (48%)	80 (49%)	15 (42%)
Ward specialty, n (%)				0.023^e
Severe cognitive impairment	67 (34%)	48 (29%)	19 (53%)
Geriatric stroke/neurology	17 (9%)	16 (10%)	1 (3%)
Geriatric multi-morbidity	16 (8%)	15 (9%)	1 (3%)
Orthopedics	67 (34%)	54 (33%)	13 (36%)
Urology	33 (17%)	31 (19%)	2 (6%)
Admission to ward, n (%)				0.436^e
Acute^b	157 (79%)	127 (77%)	30 (83%)
Elective	43 (22%)	37 (23%)	6 (17%)
Length of hospital stay, median (QL-QU)^a	9 (6–13)	8 (5–13)	10 (7.5–15)	0.011^d
Dementia at discharge^c n (%)	52 (26%)	37 (23%)	15 (42%)	0.018^e

^a QL-QU = Quartile, Lower – Quartile, Upper
^b From Emergency Department (ED), other ward, other hospital or directly from own home
^c As main diagnosis or comorbidity, with ICD-10 code or reported in record text
^d Based on Mann-Whitney U-test (continuous variables)
^e Based on (Pearson) Chi-Square test (categorical variables)

ISSN: 1471-2318