Table 2.

Multivariate Predictors of PCS Use in Admissions With PAH

Predictor (Total N = 30,495)	OR	95% CI		P Value
		Lower Limit	Upper Limit
Age group, y
18-49	Reference category
50-59	0.68	0.51	0.90	.01
60-69	1.23	0.92	1.64	.16
70-79	0.86	0.61	1.22	.41
≥80	0.91	0.62	1.34	.65
Female sex	1.20	0.99	1.46	.06
Race
White	Reference category
Black	1.09	0.87	1.38	.45
Othersa	0.40	0.32	0.50	< .001
Primary payer
Medicare	Reference category
Medicaid	1.16	0.85	1.58	.36
Private	1.43	1.15	1.79	.002
Othersb	0.54	0.31	0.95	.03
Quartile of median household income for zip code
0-25th	Reference category
26th-50th	1.92	1.49	2.48	< .001
51st-75th	1.74	1.35	2.26	< .001
75th-100th	1.21	0.92	1.59	.17
Hospital teaching status and location
Rural	Reference category
Urban nonteaching	6.33	3.14	12.77	< .001
Urban teaching	5.74	2.87	11.46	< .001
Hospital size by no. of beds
Small	Reference category
Medium	0.50	0.37	0.68	< .001
Large	0.65	0.51	0.84	.001
Hospital region
Northeast	Reference category
Midwest	2.55	1.95	3.33	< .001
South	1.58	1.21	2.05	.001
West	2.35	1.80	3.07	< .001
Charlson Comorbidity Index
0-3	Reference category
4-6	2.08	1.63	2.66	< .001
≥ 7	3.91	2.90	5.27	< .001
Heart failure	1.84	1.36	2.49	< .001
Cardiogenic shock	2.06	1.46	2.91	< .001
Acute organ failure
Respiratory	2.98	2.47	3.58	< .001
Renal	2.07	1.71	2.49	< .001
Hepatic	0.47	0.24	0.95	.04
Hematologic	2.27	1.83	2.80	< .001
Neurologic	5.56	4.04	7.65	< .001
Right heart catheterization	0.78	0.64	0.95	.01
Pulmonary artery catheterization (continuous monitoring)	0.86	0.65	1.14	.29
Extracorporeal membrane oxygenation	3.61	1.51	8.64	.004
Invasive mechanical ventilation	0.66	0.46	0.93	.02
Noninvasive mechanical ventilation	2.78	2.17	3.56	< .001
Fiber-optic bronchoscopy	0.46	0.25	0.85	.01
Acute hemodialysis	0.73	0.41	1.30	.29

See Table 1 legend for expansion of abbreviations.

^aHispanic, Asian, Native American, others.

^bUninsured, no charge, others.