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Table 3 Classification performances of chronic kidney disease stage based on the final models

From: Predictive models for chronic kidney disease after radical or partial nephrectomy in renal cell cancer using early postoperative serum creatinine levels

   Predicted
Normal or Stage 1 Stage 2 Stage 3
\({Model}_{final,pre}\)
Observed Normal or Stage 1 77 32 0
  Stage 2 16 101 19
  Stage 3 0 17 49
Accuracy: 73%
Weighted average precision: 74%
Weighted average recall: 73%
\({Model}_{final,0d}\)
Observed Normal or Stage 1 74 35 0
  Stage 2 12 108 16
  Stage 3 0 14 52
Accuracy: 75%
Weighted average precision: 76%
Weighted average recall: 75%
\({Model}_{final,1d}\)
Observed Normal or Stage 1 81 28 0
  Stage 2 15 108 13
  Stage 3 0 18 48
Accuracy: 76%
Weighted average precision: 77%
Weighted average recall: 76%
\({Model}_{final,2d}\)
Observed Normal or Stage 1 84 25 0
  Stage 2 14 105 17
  Stage 3 1 16 49
Accuracy: 77%
Weighted average precision: 77%
Weighted average recall: 77%
\({Model}_{final,3d}\)
Observed Normal or Stage 1 83 26 0
  Stage 2 13 109 14
  Stage 3 1 13 52
Accuracy: 78%
Weighted average precision: 79%
Weighted average recall: 78%
\({Model}_{final,4d}\)
Observed Normal or Stage 1 84 25 0
  Stage 2 16 110 10
  Stage 3 1 12 53
Accuracy: 79%
Weighted average precision: 80%
Weighted average recall: 79%
\({Model}_{final,5d}\)
Observed Normal or Stage 1 81 28 0
  Stage 2 18 105 13
  Stage 3 1 16 49
Accuracy: 76%
Weighted average precision: 76%
Weighted average recall: 76%
\({Model}_{final,1m}\)
Observed Normal or Stage 1 84 24 0
  Stage 2 14 107 15
  Stage 3 1 14 51
Accuracy: 73%
Weighted average precision: 74%
Weighted average recall: 73%
  1. Normal or stage 1, estimated glomerular filtration rate (eGFR) ≥ 90 mL/min/1.73 m2; stage 2, eGFR 60–89 mL/min/1.73 m2; stage 3, eGFR < 60 mL/min/1.73 m2. d day, m month