Table 1. Baseline characteristics pre and post propensity matching.
| Pre matching | Post matching | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Control | LEP | Control | LEP | |||||||
| Mean SD or | Mean SD or | Std Diff | Mean SD or | Mean SD or | Std Diff | |||||
| N = 99356 (%) | N = 5127 (%) | (%)† | N = 99356 (%) | N = 5127 (%) | (%)† | |||||
| Age | 62.5 | 17.4 | 58.3 | 18.5 | 23.4 | 57.2 | 18.4 | 58.3 | 18.5 | -5.7 |
| Female | 42248 | 49.4 | 2184 | 49.5 | -0.2 | 2182 | 49.4 | 2184 | 49.5 | -0.1 |
| Race | ||||||||||
| White | 97279 | 97.9 | 4366 | 85.2 | 47.5 | 4393 | 85.7 | 4366 | 85.2 | 7.7 |
| Asian | 258 | 0.3 | 244 | 4.8 | 179 | 3.5 | 244 | 4.8 | ||
| Black/African American | 539 | 0.5 | 107 | 2.1 | 101 | 2.0 | 107 | 2.1 | ||
| Other | 1134 | 1.1 | 329 | 6.4 | 383 | 7.5 | 329 | 6.4 | ||
| Unknown | 148 | 0.1 | 81 | 1.6 | 71 | 1.4 | 81 | 1.6 | ||
| Ethnicity | ||||||||||
| Non-Hispanic/Latino White | 97257 | 97.9 | 4569 | 89.1 | 36.4 | 4492 | 87.6 | 4569 | 89.1 | 5.2 |
| Hispanic/Latino | 329 | 0.3 | 166 | 3.2 | 170 | 3.3 | 166 | 3.2 | ||
| Other | 1772 | 1.8 | 392 | 7.6 | 465 | 9.1 | 392 | 7.6 | ||
| Apache3 Score | 58.8 | 24.4 | 59.2 | 26.6 | -1.4 | 58.6 | 26.3 | 59.2 | 26.6 | -2.3 |
| Charlson Score | 5.3 | 3.5 | 4.7 | 3.4 | 18.0 | 4.5 | 3.4 | 4.7 | 3.4 | -5.5 |
| Ln pre index ICU costs | 1.9 | 3.7 | 1.9 | 3.8 | -1.5 | 2.0 | 3.8 | 1.9 | 3.8 | 2.4 |
† Percentage values between -10% and +10% are considered in balance, and values outside that range are out of balance
Ln = natural Log