Table 3.

Contingency tables and mortality-rates for our Vienna patient cohort

Estimated AKI stagesMDRD Model (Cohen κ: 0.49)CKD-EPI Model (Cohen κ: 0.46)
Measured AKI stages0123Sum0123Sum
 05650 (97.8)992 (70.6)98 (30.1)7 (1.6)674705521 (97.9)1081 (72.6)136 (36.7)9 (2.1)6747
3.58.014.021.04.13.57.815.929.54.1
 1123 (2.1)391 (27.8)169 (51.8)25 (6.0)7081113 (2.0)386 (25.9)182 (49.1)27 (6.3)708
5.28.716.926.89.84.48.317.728.39.8
 26 (0.1)22 (1.6)57 (17.5)31 (7.4)11626 (0.1)22 (1.5)51 (13.8)37 (8.6)116
6.45.712.637.313.66.44.912.333.013.6
 3002 (0.6)356 (85.0)3583002 (0.5)356 (83.0)358
23.323.123.323.1
Sum577914053264197929Sum564014893714297929
3.68.115.124.25.13.57.816.124.45.1
Estimated AKI stagesPLTV Model (Cohen κ: 0.39)eSCr Model (Cohen κ: 0.64)
Measured AKI stages0123Sum0123Sum
 05044 (98.8)1532 (79.0)156 (36.4)15 (3.3)674706318 (96.2)402 (48.4)26 (15.9)1 (0.3)6747
3.65.711.227.34.13.98.723.34.1
 156 (1.1)394 (20.3)220 (51.3)38 (8.3)7081235 (3.6)391 (47.1)74 (45.1)8 (2.2)708
5.67.914.022.09.87.99.718.724.09.8
 24 (0.1)14 (0.7)52 (12.1)46 (10.1)116211 (0.2)36 (4.3)61 (37.2)8 (2.2)116
4.37.811.522.013.68.77.819.919.213.6
 3001 (0.2)357 (78.3)358301 (0.1)3 (1.8)354 (95.4)358
23.123.14.823.523.1
Sum510419404294567929Sum65648301643717929
3.66.112.623.05.14.09.119.223.35.1
  • Values are given as numbers (n), column percentages (%), mortality rates per 100 patient years (†), or Kidney Disease Improving Global Outcomes stages. MDRD, Modification of Diet in Renal Disease; CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration; PLTV, Pittsburgh Linear Three Variables; eSCr, estimated serum creatinine.