Table 3 Fixed effects estimates summarized by the mean (standard error) from the direct h-lik implementation for the 1%, 10 and 100% dataset with random effects at both the IP and HCF levels
Parameter | 1% | 10% | 100% |
|---|---|---|---|
Fixed Effects | |||
 Intercept | −6.22 (0.99) | −5.22 (0.31) | −3.21 (0.16) |
 Potassium (natural spline coefficient 1) | 6.81 (2.46) | 8.65 (0.74) | 11.98 (0.32) |
 Potassium (natural spline coefficient 2) | −9.49 (40.24) | −39.56 (12.39) | −77.79 (7.97) |
 Potassium (natural spline coefficient 3) | −18.5 (79.78) | −74.64 (24.57) | − 146.92 (15.84) |
 eGFR (natural spline coefficient 1) | −0.43 (0.25) | − 0.66 (0.08) | − 0.59 (0.02) |
 eGFR (natural spline coefficient 2) | −1.84 (0.51) | − 1.41 (0.15) | − 1.44 (0.05) |
 eGFR (natural spline coefficient 3) | − 1.09 (0.51) | − 0.32 (0.15) | − 0.26 (0.05) |
 Age (natural spline coefficient 1) | 0.31 (0.33) | 0.6 (0.12) | 0.78 (0.04) |
 Age (natural spline coefficient 2) | −0.23 (0.91) | 1.43 (0.32) | 2.08 (0.11) |
 Age (natural spline coefficient 3) | 0.91 (0.2) | 1.1 (0.07) | 1.22 (0.02) |
 Male Gender | 0.21 (0.09) | 0.17 (0.03) | 0.17 (0.01) |
 White Race | 0.16 (0.15) | 0.06 (0.05) | 0.1 (0.02) |
 Hispanic Race | −0.46 (0.72) | 0.14 (0.15) | 0.16 (0.05) |
 Native American | 0.03 (0.73) | −0.08 (0.2) | 0.16 (0.06) |
 Other Race | −0.58 (0.32) | −0.12 (0.09) | 0.08 (0.03) |
 Unknown Race | −0.24 (0.47) | −0.09 (0.15) | 0.02 (0.05) |
 Inpatient status | 2.39 (0.19) | 2.13 (0.06) | 2.21 (0.02) |
 Charlson Comorbidity Score | 0.10 (0.01) | 0.10 (0.00) | 0.10 (0.00) |