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. 2014 Feb 27;9(5):848–854. doi: 10.2215/CJN.09530913

Table 3.

Contingency analyses of patients classified by RIFLE versus AKIN

Criteria RIFLE Count (%) Total (AKIN) Count (%)
No AKI Risk Injury Failure
AKIN
 No AKI 43,625 (88.09) 2202 (4.45) 734 (1.48) 571 (1.15) 47,132 (95.18)
 Stage 1 423 (0.85) 686 (1.39) 81 (0.16) 52 (0.11) 1242 (2.51)
 Stage 2 0 (0.00) 0 (0.00) 472 (0.95) 23 (0.05) 495 (1.00)
 Stage 3 19 (0.04) 14 (0.03) 29 (0.06) 587 (1.19) 649 (1.31)
Total (RIFLE) 44,067 (88.99) 2902 (5.86) 1316 (2.65) 1233 (2.49) 49,518 (100)