Table 2.
Patient outcomes after cardiac surgery
| No AKI (N = 1980) | KDIGO stage 1 (N = 142) | KDIGO stage 2 (N = 60) | KDIGO stage 3 (N = 134) | ||
|---|---|---|---|---|---|
| N (%) | N (%) | N (%) | N (%) | p-value | |
| Type of dialysis | N/A | N/A | N/A | N/A | |
| Continuous Renal Replacement Therapy | 45 (36%) | ||||
| In-Patient Hemodialysis | 75 (60%) | ||||
| Peritoneal Dialysis | 1 (0.8%) | ||||
| Unknown | 4 (3.2%) | ||||
| Discharge destination | |||||
| Died (n = 148)^ | 50 (2.5%) | 20 (14.1%) | 14 (23.3%) | 64 (47.8%) | |
| Home (n = 1327) | 1220 (61.6%) | 66 (46.5%) | 16 (26.7%) | 25 (18.7%) | |
| Support services (n = 598) | 537 (27.1%) | 32 (22.5%) | 10 (16.7%) | 19 (14.2%) | |
| Inpatient facility (n = 204) | 147 (7.4%) | 20 (14.1%) | 17 (28.3%) | 20 (14.9%) | |
| Long-term care facility (n = 31) | 19 (1.0%) | 4 (2.8%) | 3 (5.0%) | 5 (3.7%) | |
| Other (n = 8) | 7 (0.4%) | 0 | 0 | 1 (0.7%) | |
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | p-value | |
| Length of stay (days) | 14.02 (11.55) | 23.83* (35.80) | 24.97* (18.31) | 32.96*,& (33.05) | <0.001 |
Abbreviations: AKI acute kidney injury, KDIGO kidney disease: improving global outcomes, SD standard deviation.
^Mortality only: Χ2 (3) = 475.69, p < 0.001, Cramer’s V = 0.45.
*significantly different from No AKI (p < 0.05, Bonferroni).
&significantly different from Stage 1 (p < 0.05, Bonferroni).