Table 2.

Categories of hospital charge data for patients with and without delirium

	No Delirium (n=29)		Delirium (n=37)		P-valuea
	Median	IQR	Median	IQR
Pharmacyb	$931	$724–1090	$1431	$1045–2247	<0.001
Laboratoryc	$2703	$2275–3466	$5319	$3361–8513	<0.001
Operating	$7911	$7561–8556	$9680	$8094–11,208	0.002
Roomd
Radiology	$555	$341–1041	$1224	$684–3485	0.002
Servicese
Suppliesf	$8853	$6858–12,903	$8473	$6487–13,476	0.67
Therapyg	$1473	$1092–2180	$2685	$1574–7069	<0.001
Routineh	$13,515	$9700–$16,555	$17,441	$13,310–32,955	0.002
Otheri	$3112	$2401–4590	$4367	$3167–7078	0.003

^aP-value was calculated using Wilcoxon rank sum test and is unadjusted.

^bPharmacy charges generally included all drugs (intra- and post-operative)

^cLaboratory charges generally included all laboratory tests and blood charges

^dOperating room charges generally included operating and recovery room charges

^eRadiology services generally included postoperative radiologic scans

^fSupplies charges generally included surgery and anesthesia intraoperative and postoperative supplies

^gTherapy charges generally included occupational, physical, respiratory, and speech therapy.

^hRoutine charges generally included daily hospital care charges

ⁱOther charges generally included anesthesia care

Abbreviations: IQR= Inter-Quartile Range