Table 3.
Characteristic of the unweighted study sample (N = 11266). Adult patients with infective endocarditis as a principal discharge diagnosis, NIS 2016–2019.
| Total N = 11266 % (n) |
SOT n = 65 % (n) |
Non-SOT n = 11201 % (n) |
p-value | |
|---|---|---|---|---|
| Characteristic | ||||
| Age (mean; SD) | 51.88; 19.17 | 59.31; 11.42 | 51.84; 19.20 | 0.002 |
| Sex | ||||
| Female | 41.38% (4661) | 36.92% (24) | 41.41% (4637) | |
| Males | 58.62% (6602) | 63.08% (41) | 58.59% (6561) | 0.528 |
| Race | <0.001 | |||
| White | 79.09% (8339) | 58.06% (36) | 79.21% (8303) | |
| Black | 10.91% (1150) | 24.19% (15) | 10.83% (1135) | |
| Hispanic | 8.26% (871) | 12.90% (8) | 8.23% (863) | |
| Others | 1.75% (184) | 4.84% (3) | 1.73% (181) | |
| Insurance status | <0.001 | |||
| Medicare | 37.32% (4050) | 70.77% (46) | 37.12% (4004) | |
| Medicaid | 33.59% (3645) | 12.31% (8) | 33.72% (3637) | |
| Private/HMO | 20.72% (2248) | 16.92% (11) | 20.74% (2237) | |
| Self-pay | 8.38% (909) | 0.00% (0) | 8.43% (909) | |
| Household income by quartile $ | 0.455 | |||
| 1-45,999 | 32.84% (3608) | 26.56% (17) | 32.88% (3591) | |
| 46k-58,999 | 25.84% (2839) | 28.13% (18) | 25.83% (2821) | |
| 59K-78,999 | 22.90% (2516) | 20.31% (13) | 22.92% (2503) | |
| 79K or more | 18.41% (2023) | 25.00% (16) | 18.38% (2007) | |
| Hospital teaching status | 0.751 | |||
| Rural | 6.76% (762) | 6.15% (4) | 6.77% (758) | |
| Urban (non-teaching) | 17.74% (1999) | 13.85% (9) | 17.77% (1990) | |
| Urban teaching | 75.49% (8505) | 80.00% (52) | 75.47% (8453) | |
| Charlson comorbidity index | <0.001 | |||
| 0 | 27.92% (3146) | 1.54% (1) | 28.08% (3145) | |
| 1 | 23.76% (2677) | 3.08% (2) | 23.88% (2675) | |
| 2 | 14.8% (1667) | 7.69% (5) | 14.84% (1662) | |
| 3 or more | 33.52% (3776) | 87.69% (57) | 33.20% (3719) | |
| Hospital region | 0.587 | |||
| Northeast | 22.73% (2561) | 16.92% (11) | 22.77% (2550) | |
| Midwest | 20.80% (2343) | 20.00% (13) | 20.80% (2330) | |
| South | 38.32% (4317) | 40.00% (26) | 38.31% (4291) | |
| West | 18.15% (2045) | 23.08% (15) | 18.12% (2030) | |
| In-hospital mortality rate | 4.03% (n = 453) | 4.62% (3) | 4.02% (450) | 0.746 |
| Length of stay in days | 12.45 ± 13.06 | 11.63 ± 10.81 | 12.46 ± 13.08 | 0.611 |
Abbreviations: NIS: National Inpatient Sample, SOT: Solid Organ Transplant, HMO: Health Maintenance Organization, SD: Standard Deviation.