Characteristic | Before matching | After 1:4 matching | ||||
---|---|---|---|---|---|---|
No PPI | PPI | SMD* | No PPI | PPI | SMD* | |
(N = 1470) | (N = 68) | (N = 272) | (N = 68) | |||
Age, y | Â | Â | 0.273 | Â | Â | 0.034 |
Mean (SD) | 64.4 (12.7) | 68.0 (13.4) | Â | 68.4 (11.8) | 68.0 (13.4) | Â |
Center |  |  | 0.316 |  |  | < 0.001 |
Yale | 286 (19.5%) | 22 (32.4%) | Â | 88 (32.4%) | 22 (32.4%) | Â |
Vanderbilt | 484 (32.9%) | 18 (26.5%) | Â | 72 (26.5%) | 18 (26.5%) | Â |
Kaiser Permanente | 298 (20.3%) | 14 (20.6%) | Â | 56 (20.6%) | 14 (20.6%) | Â |
UW | 402 (27.3%) | 14 (20.6%) | Â | 56 (20.6%) | 14 (20.6%) | Â |
Gender | Â | Â | 0.109 | Â | Â | 0.008 |
Female | 552 (37.6%) | 22 (32.4%) | Â | 94 (34.6%) | 22 (32.4%) | Â |
Race |  |  | 0.346 |  |  | < 0.001 |
White | 1201 (81.7%) | 59 (86.8%) | Â | 236 (86.8%) | 59 (86.8%) | Â |
Black/African American | 186 (12.7%) | 9 (13.2%) | Â | 36 (13.2%) | 9 (13.2%) | Â |
Other | 83 (5.7%) | 0 (0%) | Â | 0 | 0 | Â |
Baseline AKI status |  |  | 0.062 |  |  | < 0.001 |
Yes | 737 (50.1%) | 32 (47.1%) | Â | 128 (47.1%) | 32 (47.1%) | Â |
ICU | Â | Â | 0.065 | Â | Â | 0.016 |
Yes | 971 (66.1%) | 47 (69.1%) | Â | 186 (68.4%) | 47 (69.1%) | Â |
Diabetes | Â | Â | 0.065 | Â | Â | 0.008 |
Yes | 631 (42.9%) | 27 (39.7%) | Â | 109 (40.1%) | 27 (39.7%) | Â |
CVD | Â | Â | 0.042 | Â | Â | 0.044 |
Yes | 661 (45.0%) | 32 (47.1%) | Â | 134 (49.3%) | 32 (47.1%) | Â |
Hypertension | Â | Â | 0.159 | Â | Â | 0.08 |
Yes | 1100 (74.8%) | 46 (67.6%) | Â | 194 (71.3%) | 46 (67.6%) | Â |
Creatinine | Â | Â | 0.059 | Â | Â | 0.002 |
Mean (SD) | 1.79 (1.47) | 1.72 (1.02) | Â | 1.71 (1.23) | 1.72 (1.02) | Â |
Other Drug use at baseline | Â | Â | Â | Â | Â | Â |
ACE Inhibitors use | 492 (33.5%) | 22 (32.4%) | 0.024 | 91 (33.5%) | 22 (32.4%) | 0.023 |
ARB use | 238 (16.2%) | 9 (13.2%) | 0.083 | 30 (11.0%) | 9 (13.2%) | 0.068 |
Antihypertensive agents use | 1021 (69.5%) | 47 (69.1%) | 0.007 | 195 (71.7%) | 47 (69.1%) | 0.056 |
Diuretics use | 653 (44.4%) | 23 (33.8%) | 0.218 | 94 (34.6%) | 23 (33.8%) | 0.016 |
Insulin use | 298 (20.3%) | 10 (14.7%) | 0.147 | 42 (15.4%) | 10 (14.7%) | 0.021 |
Statins use | 843 (57.3%) | 38 (55.9%) | 0.030 | 163 (59.9%) | 38 (55.9%) | 0.082 |