Table 1.

Comparison of Baseline and Outcome Characteristics of National Estimates of Lung Transplant Admissions in the NIS and Those Represented in the SRTR Registry

	NIS (n = 16,283)*		SRTR (n = 16,412)		Delta
Demographics
Recipient age, yr	53.0	±0.7	51.1	±0.1	+1.9
Male	9,187	(56.4%)	9,047	(55.1%)	+1.3%
Race
White	13,514	(83.0%)	14,028	(85.5%)	−2.5%
Asian/Pacific Islander	192	(1.2%)	198	(1.2%)	−<0.1%
Black	1,169	(7.2%)	1,289	(7.9%)	−0.7%
Hispanic	1,005	(6.2%)	789	(4.8%)	+1.4%
Other	403	(2.5%)	108	(0.7%)	+1.8%
Payer
Medicare	5,831	(35.8%)	4,940	(30.1%)	+5.7%
Medicaid	1,071	(6.6%)	1,339	(8.2%)	−1.6%
Private	8,507	(52.2%)	9,610	(58.6%)	−6.4%
Self-pay/other	874	(5.4%)	523	(3.2%)	+2.2%
Major medical comorbidities
Hypertension	4,498	(27.6%)	3,635	(22.1%)	+5.5%
Diabetes	3,600	(22.1%)	2,757	(16.8%)	+5.3%
Clinical characteristics
Medical status prior to transplant
Hospitalized	2,329	(14.3%)	2,378	(14.5%)	−0.2%
On ECMO	142	(0.9%)	184	(1.1%)	−0.2%
LAS primary diagnosis group
A (obstructive lung disease)	5,925	(36.4%)	6,856	(41.8%)	−5.4%
B (pulmonary vascular disease)	558	(3.4%)	715	(4.4%)	−1.0%
C (CF/immunodeficiency)	2,160	(13.3%)	2,618	(16.0%)	−2.7%
D (restrictive lung disease)	6,806	(41.8%)	6,121	(37.3%)	+4.5%
Other	834	(5.1%)	102	(0.6%)	+4.5%
Era
2000–2005	6,361	(39.1%)	6,803	(41.5%)	−2.4%
2006–2011	9,922	(60.9%)	9,609	(58.5%)	+2.4%
Admission characteristics
Length of stay, d	24.9	±1.6	28.4	±0.4	−3.5
Inpatient mortality	1,160	(7.1%)	1,156	(7.0%)	+0.1%

Definition of abbreviations: CF = cystic fibrosis; ECMO = extracorporeal membrane oxygenation; LAS = lung allocation score; NIS = National Inpatient Survey; SRTR = Scientific Registry of Transplant Recipients.

^*Extrapolated.