Table 2.
Study Population stratified by STAT category
| STAT Mortality Category | |||||
|---|---|---|---|---|---|
| 1 | 2 | 3 | 4/5 | p | |
| n | 7123 | 6956 | 1609 | 2649 | |
| Age (years) | 16.0 (13.0, 20.4) | 16.1 (13.3, 20.1) | 15.2 (12.6, 18.9) | 15.7 (13.1, 19.2) | <0.0001 |
| Female sex | 46% (3245) | 39% (2710) | 43% (698) | 44% (1166) | <0.0001 |
| Race | <0.0001 | ||||
| White | 64% (4571) | 65% (4493) | 67% (1073) | 60% (1597) | |
| Black | 12% (864) | 14% (981) | 14% (217) | 16% (414) | |
| Hispanic | 13% (890) | 11% (772) | 11% (181) | 12% (313) | |
| Asian | 4% (275) | 3% (203) | 3% (44) | 3% (91) | |
| Other | 6% (390) | 6% (379) | 4% (67) | 7% (180) | |
| Weight (kg) | 57 (45, 71) | 59 (46, 74) | 53 (39, 68) | 56 (42, 70) | <0.0001 |
| Height (cm) | 162 (151, 170) | 163 (152, 173) | 158 (147, 168) | 160 (150, 170) | <0.0001 |
| Body mass index (kg/m2) | 21.5 (18.5, 25.7) | 21.7 (18.5, 26.0) | 20.6 (17.6, 24.8) | 21.4 (18.0, 25.6) | <0.0001 |
| Chromosomal abnormality | 6% (408) | 7% (463) | 11% (172) | 5% (135) | <0.0001 |
| Non-cardiac anatomic abnormality | 4% (307) | 6% (417) | 9% (136) | 6% (157) | <0.0001 |
| Genetic syndrome | 10% (711) | 15% (1035) | 17% (269) | 13% (336) | <0.0001 |
| Number of prior cardiac operation(s) | 0 (0, 2) | 1 (0, 2) | 1 (1, 2) | 1 (0, 2) | <0.0001 |
| CDC BMI category | |||||
| Severely underweight | 8% (557) | 9% (641) | 12% (190) | 12% (306) | <0.0001 |
| Underweight | 7% (530) | 7% (474) | 9% (151) | 7% (197) | |
| Normal | 54% (3875) | 52% (3621) | 51% (815) | 50% (1326) | |
| Overweight | 15% (1061) | 16% (1110) | 13% (214) | 15% (404) | |
| Obese | 15% (1100) | 16% (1110) | 15% (239) | 16% (416) | |
| Preoperative condition | |||||
| Hypercoagulable state | 0.4% (32) | 1% (36) | 1% (10) | 2% (40) | <0.0001 |
| Hypocoagulable state not secondary to medication | 0.4% (32) | 1% (61) | 1% (12) | 2% (43) | <0.0001 |
| Hypocoagulable state secondary to medication | 1% (70) | 2% (121) | 1% (16) | 8% (219) | <0.0001 |
| Diabetes mellitus | 0.6% (43) | 0.6% (42) | 2.5% (40) | 1.1% (29) | <0.0001 |
| Diabetes mellitus – Type I | 0.4% (32) | 0.4% (26) | 2.2% (35) | 0.9% (23) | <0.0001 |
| Diabetes mellitus – Type II | 0.2% (11) | 0.2% (16) | 0.3% (5) | 0.2% (6) | 0.57 |
| Renal failure | 0.5% (39) | 1.0% (69) | 1.4% (23) | 3.6% (95) | <0.0001 |
| Mechanical ventilation | 1% (44) | 1% (64) | 2% (29) | 4% (92) | <0.0001 |
| Mechanical circulatory support | 0.2% (15) | 0.1% (8) | 1% (19) | 5% (137) | <0.0001 |
| Persistent shock | 0.2% (12) | 0.3% (23) | 0.4% (6) | 2% (47) | <0.0001 |
| Stroke or intracranial hemorrhage within 48 hours preceding operation | 3% (199) | 3% (216) | 4% (64) | 4% (92) | 0.06 |
Data are presented as % (n) or median (interquartile range).