Table 2. Bivariate Analysis of Risk Factors for Mortality.
| Risk Factor | Patient Group | |||||||
|---|---|---|---|---|---|---|---|---|
| General Surgical | Pretransplant | |||||||
| No. of Patients (N = 53) |
Mortality, No. (%) | OR (95% CI) | P Value | No. of Patients (N = 55) |
Mortality, No. (%) | OR (95% CI) | P Value | |
| Age ≥65 y | ||||||||
| Yes | 32 | 20 (62.53) | 1.83 (0.60-5.60) | .29 | 10 | 6 (60) | 1.56 (0.39-6.32) | .53 |
| No | 21 | 10 (47.6) | 45 | 22 (48.9) | ||||
| White | ||||||||
| Yes | 38 | 24 (63.2) | 2.57 (0.76-8.76) | .13 | 48 | 25 (52.1) | 1.45 (0.29-7.18) | .65 |
| No | 15 | 6 (40) | 7 | 3 (42.8) | ||||
| Male | ||||||||
| Yes | 29 | 16 (55.2) | 0.88 (0.30-2.62) | .82 | 35 | 18 (51.4) | 1.06 (0.35-3.18) | .92 |
| No | 24 | 14 (58.3) | 20 | 10 (50) | ||||
| BMI ≥30 | ||||||||
| Yes | 8 | 5 (62.5) | 1.33 (0.28-6.27) | .72 | 18 | 9 (50) | 0.95 (0.31-2.92) | .93 |
| No | 45 | 25 (55.6) | 37 | 19 (51.4) | ||||
| APACHE IV score ≥25a | ||||||||
| Yes | 30 | 15 (50) | 0.58 (0.18-1.89) | .37 | 26 | 14 (53.8) | 1.26 (0.43-3.70) | .68 |
| No | 19 | 12 (63.2) | 27 | 13 (48.2) | ||||
| History of CKD | ||||||||
| Yes | 20 | 12 (60) | 1.25 (0.41-3.86) | .70 | 10 | 4 (40) | 0.58 (0.15-2.34) | .45 |
| No | 33 | 18 (54.5) | 45 | 24 (53.3) | ||||
| History of IHD | ||||||||
| Yes | 20 | 11 (55) | 0.90 (0.29-2.76) | .85 | 7 | 2 (28.6) | 0.34 (0.06-1.92) | .21 |
| No | 33 | 19 (57.6) | 48 | 26 (54.2) | ||||
| IHD preceding CRRT in SICU | ||||||||
| Yes | 7 | 7 (100) | 1.30 (1.07-1.60) | .01 | 7 | 4 (57.1) | 1.33 (0.27-6.61) | .72 |
| No | 46 | 23 (50) | 48 | 24 (50) | ||||
| Mechanical ventilation | ||||||||
| Yes | 50 | 28 (56) | 0.64 (0.05-7.48) | .72 | 53 | 27 (50.9) | 1.04 (0.06-17.49) | .98 |
| No | 3 | 2 (66.7) | 2 | 1 (50) | ||||
| Use of vasopressors during CRRT | ||||||||
| Yes | 45 | 28 (62.2) | 4.94 (0.89-27.32) | .07 | 35 | 22 (62.9) | 3.95 (1.22-12.81) | .02 |
| No | 8 | 2 (25) | 20 | 6 (30) | ||||
Abbreviations: APACHE IV, Acute Physiology and Chronic Health Evaluation version IV; BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); CKD, chronic kidney disease; CRRT, continuous renal replacement therapy; IHD, intermittent hemodialysis; OR, odds ratio; SICU, surgical intensive care unit.
a
Calculated using preexisting comorbidities, acute diagnosis, and variables related to acute physiology. Increases in the score are associated with increased risk of mortality (scores range from 0 to 286).