Table 1.
Inclusionary and Exclusionary Rules Applied | Records Excluded |
Remaining Records |
No. of Patients |
No. of Participants |
---|---|---|---|---|
Start with all operation in STS-CHSD through January 1, 2013 | … | 256,854 | 168,776 | 111 |
1. Exclude PDA closure in 2.5 kg or less and exclude organ procurement |
12,140 | 244,714 | 157,078 | 111 |
2. Include only cardiac operations | 43,330 | 201,384 | 143,362 | 111 |
3. Include only index operation of a hospitalization | 28,935 | 172,449 | 143,253 | 111 |
4. Include neonates, infants, children, adults | 17 | 172,432 | 143,240 | 111 |
5. Include surgery year 2010, 2011, or 2012 | 119,960 | 52,472 | 47,352 | 104 |
6. Include data version 3.0 only | 0 | 52,472 | 47,352 | 104 |
7. Include only demographic data collected with version 3.0 | 8,379 | 44,093 | 39,658 | 104 |
8. Include operations with STAT Mortality Score | 1,348 | 42,745 | 38,685 | 104 |
9. Exclude operation with missing mortality data | 1,919 | 40,826 | 36,924 | 104 |
10. Exclude STS database participants with >10% missing mortality rate (after above steps) |
4,916 | 35,910 | 32,437 | 93 |
11. Exclude STS database participants with >10% missing rate of preoperative factors, noncardiac congenital anatomic abnormalities, chromosomal abnormalities, syndromes, prematurity (neonates and infants), or number of prior cardiothoracic operations (after above steps) |
10,434 | 25,476 | 23,019 | 72 |
CHSD = Congenital Heart Surgery Database;
PDA = patent ductus arteriosus;
STAT = The Society of Thoracic Surgeons–European Association for Cardio-Thoracic Surgery;
STS = The Society of Thoracic Surgeons.