Table 1 Baseline characteristic of study population, HCUP-NIS 2005–2011 (Unweighted n = 1112; Weighted n = 5538)
Age: ≤ 30 days | Age: 31–90 days | Age: 91–180 days | Age: > 180 days | P-valuea | |
|---|---|---|---|---|---|
n = 101 | n = 198 | n = 449 | n = 364 | ||
Demographic data | |||||
Age (days) | 9.7 ± 0.7 | 64.4 ± 0.9 | 134.8 ± 1.2 | 245.0 ± 2.9 | < 0.01b* |
Length of stay (days) | 28.9 ± 3.3 | 16.4 ± 1.7 | 10.5 ± 0.5 | 10.3 ± 0.6 | < 0.01b* |
Sex | |||||
Male | 60 (59.66%) | 122 (61.76%) | 274 (60.99%) | 192 (52.94%) | 0.04* |
Female | 41 (40.34%) | 76 (38.24%) | 175 (39.01%) | 172 (47.06%) | |
Race/ethnicity | |||||
White | 48 (68.22%) | 93 (63.86%) | 164 (54.77%) | 134 (50.72%) | 0.03* |
Non-White | 23 (31.78%) | 53 (36.14%) | 135 (45.23%) | 129 (49.28%) | |
Household income | |||||
Q1 | 23 (22.74%) | 46 (23.63%) | 107 (23.94%) | 96 (26.91%) | 0.18 |
Q2 | 27 (28.04%) | 45 (23.17%) | 109 (24.35%) | 94 (26.58%) | |
Q3 | 22 (22.35%) | 42 (21.62%) | 125 (28.08%) | 93 (26.15%) | |
Q4 | 26 (26.87%) | 62 (31.58%) | 105 (23.64%) | 73 (20.36%) | |
Insurance status | |||||
Medicare/Medicaid | 49 (48.48%) | 72 (36.29%) | 193 (42.69%) | 189 (52.05%) | 0.01* |
Private including HMO | 47 (46.7%) | 115 (58.24%) | 227 (51.02%) | 154 (42.36%) | |
elf-pay/no charge/other | 5 (4.82%) | 11 (5.47%) | 28 (6.3%) | 21 (5.58%) | |
Admission type | |||||
Elective | 10 (9.71%) | 120 (60.35%) | 355 (79.97%) | 285 (78.99%) | < 0.01* |
Non-elective | 91 (90.29%) | 77 (39.65%) | 90 (20.03%) | 77 (21.01%) | |
Chromosomal anomalies | 4 (4.13%) | 11 (5.72%) | 47 (10.41%) | 48 (13.4%) | 0.01* |
Related Interventions | |||||
Heart catheterization | 19 (18.92%) | 10 (4.92%) | 19 (4.19%) | 20 (5.37%) | < 0.01* |
ECMO | 4 (4.12%) | 1 (0.52%) | 0 (0%) | 1 (0.28%) | – |
Implantation of pacemaker / defibrillator | 9 (8.97%) | 16 (7.67%) | 29 (6.38%) | 18 (4.74%) | 0.31 |
Thoracentesis, pericardiocentesis, pluerodesis, chest tube, pericardiotomy | 7 (6.74%) | 10 (5.16%) | 39 (8.71%) | 33 (9.01%) | 0.36 |
Gastrostomy tube insertion | 2 (2.06%) | 5 (2.53%) | 1 (0.22%) | 2 (0.59%) | 0.04* |
Blood transfusion | 31 (30.62%) | 68 (34.18%) | 140 (31.01%) | 126 (34.73%) | 0.69 |
Systemic to pulmonary artery shunt | 3 (2.99%) | 1 (0.48%) | 0 (0%) | 4 (1.19%) | – |
Hospital characteristics | |||||
Bed size of hospital | |||||
Small | 18 (17.72%) | 32 (15.81%) | 54 (11.88%) | 49 (13.32%) | 0.04* |
Medium | 15 (15.12%) | 25 (12.96%) | 94 (21.57%) | 89 (25.53%) | |
Large | 68 (67.17%) | 141 (71.23%) | 301 (66.55%) | 226 (61.15%) | |
Location of hospital | |||||
Rural | 0 (0%) | 1 (0.4%) | 1 (0.21%) | 1 (0.22%) | – |
Urban | 101 (100%) | 197 (99.6%) | 448 (99.79%) | 363 (99.78%) | |
Hospital caseload of complete repair of TOF | 19.5 ± 1.6 | 20.9 ± 3.1 | 20.8 ± 2.1 | 19.8 ± 1.5 | 0.80b |