Table 5.

Frequency of ARF that required dialysis at various score levels in test and validation sets

ARF ScoreTest Data SetValidation Data Set
NARF-Dialysis95% CINARF-Dialysis
021230.05%0–0.2622430.13%
127600.29%0.13–0.5727550.33%
235330.71%0.46–1.0435210.57%
329491.19%0.83–1.6527241.03%
418962.06%1.47–2.820002.30%
512523.04%2.16–4.1412542.63%
66856.42%4.71–8.536748.01%
73239.6%6.67–13.353149.87%
81739.83%5.83–15.2718514.05%
98221.95%13.56–32.469917.17%
104012.5%4.19–26.84619.57%
111421.43%4.66–50.081838.89%
12757.14%18.41–90.1425.00%
131100%2.5–1002100%
Risk categories
    0–284160.4%0.28–0.5685190.4%
    3–560971.8%1.5–2.259781.8%
    6–811817.8%6.3–9.511739.5%
    9–1314421.5%15.1–29.116921.3%