Table 2.
Characteristics of SNH versus non-SNHs performing CABG, stratified by year
| Characteristic | 2016 |
2017 |
2018 |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Non-SNH (n = 601) | SNH (n = 187) | P value | Non-SNH (n = 616) | SNH (n = 192) | P value | Non-SNH (n = 568) | SNH (n = 185) | P value | |
| Teaching hospital∗ | 320 (53.2%) | 120 (64.2%) | .01 | 347 (56.3%) | 140 (72.9%) | <.001 | 361 (63.6%) | 132 (71.4%) | .053 |
| Hospital size∗ | <.001 | .001 | <.001 | ||||||
| Large | 293 (48.8%) | 120 (64.2%) | 301 (48.9%) | 115 (59.9%) | 272 (47.9%) | 117 (63.2%) | |||
| Medium | 184 (30.6%) | 46 (24.6%) | 177 (28.7%) | 56 (29.2%) | 169 (29.8%) | 46 (24.9%) | |||
| Small | 124 (20.6%) | 21 (11.2%) | 138 (22.4%) | 21 (10.9%) | 127 (22.4%) | 22 (11.9%) | |||
| Urban hospital∗ | 527 (87.7%) | 174 (93.0%) | .04 | 543 (88.1%) | 183 (95.3%) | .004 | 520 (91.5%) | 170 (91.9%) | .88 |
| Total volume† | 21,693 (12,276, 36,685) | 27,993 (17,608, 49,555) | <.001 | 21,875 (12,682, 36,257) | 27,899 (17,924, 43,894) | <.001 | 22,932 (14,390, 38,160) | 27,140 (17,069, 45,732) | .02 |
| Medicaid or self-pay admissions† | 3605 (1778, 6838) | 11,637 (6870, 18,474) | <.001 | 3714 (1761, 6969) | 11,445 (7411, 17,027) | <.001 | 4024 (2080, 7581) | 11,621 (7004, 17,672) | <.001 |
| Percent Medicaid or self-pay admissions† | 18 (13, 23) | 38 (35, 45) | <.001 | 18 (12, 23) | 38 (34, 45) | <.001 | 18 (13, 23) | 38 (34, 45) | <.001 |
| CABG cases† | 145 (29, 335) | 115 (34, 245) | .050 | 155 (38, 340) | 110 (37, 257) | .01 | 174 (73, 348) | 101 (31, 270) | < .001 |
Categorical variables are presented as number (%), and continuous variables are presented as median (interquartile range). SNH, Safety-net hospital; CABG, coronary artery bypass grafting.
∗
Observed data derived from unweighted hospital-level data.
†
National estimates derived from weighted patient-level data.