Table 3.
Observed mortality (%) and predicted probability of death (%) by the logistic, linear, and combined models in the entire study population divided by risk indicator R
| Risk indicator | Observed mortality % | Predicted percent mortality (96% confidence interval) |
||
|---|---|---|---|---|
| Logistic | Linear | Combined | ||
| CKD entire group (n = 5062) | ||||
| R = 0–2 (n = 343) | 0 | 0.42 (0.41–0.42) | 1.22 (1.21–1.25) | 0.82 (0.81–0.84) |
| R > 2–3 (n = 869) | 0.12 | 0.88 (0.86–0.89) | 1.93 (1.92–1.94) | 1.40 (1.39–1.42) |
| R > 3–4 (n = 1060) | 0.57 | 1.93 (1.91–1.96) | 2.68 (2.66–2.69) | 2.31 (2.29–2.32) |
| R > 4–5 (n = 1276) | 2.66 | 4.20 (4.15–4.25) | 3.43 (3.42–3.44) | 3.81 (3.78–3.84) |
| R > 5–6 (n = 928) | 4.53 | 8.64 (8.52–8.75) | 4.14 (4.13–4.16) | 6.39 (6.33–6.46) |
| R > 6–9 (n = 585) | 13.33 | 20.91 (20.24–21.57) | 5.08 (5.04–5.11) | 12.99 (12.64–13.34) |
| CKD stage 2 (n = 4263) | ||||
| R = 0–2 (n = 342) | 0 | 0.42 (0.41–0.42) | 1.23 (1.21–1.25) | 0.82 (0.81–0.84) |
| R > 2–3 (n = 859) | 0.12 | 0.88 (0.86–0.89) | 1.93 (1.92–1.94) | 1.40 (1.39–1.42) |
| R > 3–4 (n = 1030) | 0.58 | 1.93 (1.90–1.96) | 2.68 (2.66–2.69) | 2.30 (2.28–2.32) |
| R > 4–5 (n = 1146) | 2.36 | 4.17 (4.12–4.23) | 3.42 (3.41–3.43) | 3.80 (3.76–3.83) |
| R > 5–6 (n = 658) | 3.8 | 8.47 (8.33–8.60) | 4.13 (4.11–4.14) | 6.30 (6.22–6.37) |
| R > 6–9 (n = 228) | 8.33 | 17.42 (16.74–18.1) | 4.89 (4.85–4.93) | 11.15 (10.8–11.51) |
| CKD stage 3 (n = 710) | ||||
| R = 0–2 (n = 1) | 0 | 0.37 | 1.13 | 0.74 |
| R > 2–3 (n = 10) | 0 | 0.93 (0.80–1.06) | 1.99 (1.86–2.12) | 1.46 (1.33–1.59) |
| R > 3–4 (n = 27) | 0 | 2.05 (1.86–2.24) | 2.73 (2.64–2.83) | 2.39 (2.25–2.54) |
| R > 4–5 (n = 129) | 5.43 | 4.43 (4.27–4.59) | 3.48 (3.44–3.52) | 3.96 (3.86–4.05) |
| R > 5–6 (n = 254) | 5.91 | 9.0 (8.78–9.23) | 4.19 (4.17–4.22) | 6.60 (6.47–6.72) |
| R > 6–9 (n = 289) | 14.53 | 21.68 (20.79–22.57) | 5.13 (5.08–5.17) | 13.40 (12.94–13.87) |
| CKD stages 4–5 (n = 89) | ||||
| R = 0–2 (n = 0) | NA | NA | ||
| R > 2–3 (n = 0) | NA | NA | ||
| R > 3–4 (n = 3) | 0 | 2.28 (1.18–3.37) | 2.85 (2.38–3.32) | 2.56 (1.78–3.34) |
| R > 4–5 (n = 1) | 0 | 4.36 | 3.49 | 3.93 |
| R > 5–6 (n = 16) | 12.5 | 9.91 (8.82–11.01) | 4.29 (4.17–4.41) | 7.10 (6.49–7.71) |
| R > 6–9 (n = 68) | 25.0 | 29.31 (26.57–32.06) | 5.13 (5.37–5.62) | 17.40 (15.97–18.84) |
CI, confidence interval.
Analysis was performed in the entire study population and in subgroups based on stage of chronic kidney disease (CKD). The Cox model was omitted, as the results were essentially identical to the logistic model.