Total	Delirium (n=39)		No delirium (n=61)		P
		N	%	N	%
Age						0.01
65-74 years	63	21	54	42	69
75-85 years	29	11	28	18	30
>85 years	8	7	18	1	2
Sex (men)	60	21	52	39	64	0.32
Setting
Medical	53	25	64	28	46	0.08
Surgical	47	14	36	33	54
Hypertension	68	26	67	42	69	0.82
Diabetes	59	23	59	36	59	1.0
History of stroke	14	8	21	6	10	0.13
Pain	48	18	47	30	49	0.77
Constipation	9	5	13	4	7	0.48
Abnormal electrolytes	59	31	80	28	46	<0.01
Hyponatremia	50	26	67	24	39	<0.01
Metabolic disturbance	44	20	51	24	39	0.24
Prolonged hospital stay	19	14	34	5	8	0.001
Death	11	11	28	0	0	0.000
Polypharmacy	87	34	87	53	87	0.97
Potentially inappropriate medication usage	26	11	28	15	25	0.69