Table 5.
Multivariable logistic regression analysis for factors associated with in-hospital mortality in AKI patients with or without operations.
| variables | Total AKI | AKI Without operations | AKI With operations | |||
|---|---|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | |
| Age (per 10 years increase) | 1.27 (1.19–1.37) | <0.001 | 1.35 (1.23–1.48) | <0.001 | 1.14 (1.00–1.29) | 0.046 |
| Sex (male vs female) | 1.34 (1.07–1.69) | 0.013 | 1.38 (1.04–1.82) | 0.026 | 1.24 (0.81–1.88), | 0.324 |
| History of CVD (yes or no) | 1.25 (0.98–1.58) | 0.075 | 0.99 (0.74–1.33) | 0.949 | 1.85 (1.18–2.90) | 0.007 |
| Diabetes (yes or no) | 1.10(0.84–1.42) | 0.496 | 1.24 (0.91–1.68) | 0.168 | 0.76 (0.45–1.30) | 0.321 |
| CKD (yes or no) | 1.03 (0.79–1.34) | 0.845 | 0.93 (0.67–1.28) | 0.635 | 1.38 (0.83–2.30) | 0.215 |
| Diagnosis | ||||||
| Immediate diagnosis | Reference | Reference | Reference | |||
| Omission diagnosis | 0.76 (0.55–1.04) | 0.090 | 1.06 (0.72–1.57) | 0.766 | 0.40 (0.23–0.71) | 0.002 |
| Delayed diagnosis | 1.08 (0.66–1.76) | 0.756 | 1.40 (0.74–2.63) | 0.303 | 0.68 (0.31–1.49) | 0.331 |
| Severe comorbidity (yes or no) | 5.58 (4.64–7.21) | <0.001 | 4.57 (3.49–5.98) | <0.001 | 9.29 (6.19–13.95) | <0.001 |
| AKI stage at peak | ||||||
| Stage 1 | Reference | Reference | Reference | |||
| Stage 2 | 2.37 (1.81–3.10) | <0.001 | 2.60 (1.87–3.61) | <0.001 | 2.00 (1.24–3.24) | 0.005 |
| Stage 3 | 3.52 (2.65–4.68) | <0.001 | 4.07 (2.88–5.74) | <0.001 | 2.55 (1.49–4.37) | 0.001 |
| Geographical region | ||||||
| North | Reference | Reference | Reference | |||
| Southeast | 0.53 (0.39–0.71) | <0.001 | 0.50 (0.34–0.72) | <0.001 | 0.58 (0.33–1.04) | 0.069 |
| Northwest | 1.84 (1.24–2.74) | 0.002 | 1.62 (0.99–2.65) | 0.053 | 2.47 (1.22–4.99) | 0.012 |
| Southwest | 0.95 (0.58–1.54) | 0.824 | 0.84 (0.47–1.51) | 0.569 | 1.26 (0.50–3.21) | 0.628 |
| RRT indication (yes or no) | 1.84 (1.33–2.54) | <0.001 | 2.22 (1.49–3.33) | <0.001 | 1.20 (0.67–2.15) | 0.541 |
| Renal referral (yes or no) | 0.58 (0.42–0.80) | <0.001 | 0.50 (0.33–0.74) | 0.001 | 0.77 (0.43–1.38) | 0.376 |
| Academic vs local hospital | 1.28 (0.97–1.68) | 0.081 | 1.37 (0.99–1.89) | 0.060 | 1.32 (0.76–2.27) | 0.326 |
| GDP per head | ||||||
| Tertile 1 | Reference | Reference | Reference | |||
| Tertile 2 | 0.64 (0.42–0.96) | 0.030 | 0.66 (0.40–1.09) | 0.105 | 0.66 (0.31–1.43) | 0.296 |
| Tertile 3 | 1.40 (0.97–2.04) | 0.075 | 1.29 (0.83–2.02) | 0.258 | 1.69 (0.83–3.45) | 0.149 |