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Table 3 Predicted probability of dialysis; and dialysis and mortality rates for MMCD score risk groups

From: Development and validation of the MMCD score to predict kidney replacement therapy in COVID-19 patients

Risk group Predicted probability of dialysis Derivation cohort Validation (temporal) cohort
Patients Dialysis cases Deaths Patients Dialysis cases Deaths
Non-high (0–10) 0–14.9% 2486 10 (0.4%) 41 (1.6%) 1,106 8 (0.7%) 21 (1.9%)
High (11–14) 15–49.9% 880 299 (32.8%) 445 (50.6%) 298 108 (34.8%) 176 (59.1%)
Very high (15–23) > 50% 50 34 (68%) 40 (80%) 30 12 (40%) 23 (76.7%)
Overall   3416 343 (9.3%) 526 (15.4%) 1434 128 (8.4%) 220 (15.3%)