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Table 7 Selected decision rules from the CRSA using MODLEM and the VC-DRSA using VC-DomLEM

From: Rough set theory based prognostic classification models for hospice referral

  

RHS

CRSA rules using MODLEM

LHS

d.6months =No

d.6months =Yes

1. If age_scorea = 0

969

593 (61 %)

376 (39 %)

2. If scoma = Moderate

1016

399 (39 %)

617 (61 %)

3. If dzgroup = Coma

465

119 (26 %)

346 (74 %)

4. If hrt_scoreb = 0 AND

47

11 (23 %)

36 (77 %)

resp_scorec = 6 AND wbc_scored = 5

   

VC-DRSA rules using VC-DomLEM

   

5. If dzgroup = Coma AND

51

4 (8 %)

47 (92 %)

crea_scoree ≥4 AND sod_scoref ≥2

   

6. If dzgroup = Coma AND

8

8 (100 %)

0 (0 %)

scoma ≤ Moderate AND

   

hday ≤ Short AND age_ scorea ≤0

   
  1. aage_score: 0=(age≤44)
  2. bhrt_score: 0=(50≤hrt≤99)
  3. cresp_score: 6=(25≤resp≤34)
  4. dwbc_score: 5=((1≤wbc≤2.9) or (wbc≥25))
  5. ecrea_score: ≥4=(crea≥1.5)
  6. fsod_score: ≥2=((sod≤134) or (sod≥155))