APACHE II Score and Predicted Mortality Rate

The following result was based on original APACHE II (Acute Physiology and Chronic Health Evaluation II) score, published by Knaus et al. in 1985.
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score = predicted mortality reate
0 = 0.0288323804597415
1 = 0.0332141827839264
2 = 0.0382356916987282
3 = 0.0439818435946882
4 = 0.0505461568401609
5 = 0.0580307274067857
6 = 0.0665458910150112
7 = 0.0762094426987653
8 = 0.0871452904871902
9 = 0.0994814113171375
10 = 0.113346978732479
11 = 0.12886854890866
12 = 0.146165230272512
13 = 0.165342828461315
14 = 0.186487056810361
15 = 0.209656033245229
16 = 0.234872441095319
17 = 0.262115898694886
18 = 0.291316235325043
19 = 0.322348474912558
20 = 0.355030345948782
21 = 0.389123033352462
22 = 0.424335648915215
23 = 0.460333532118856
24 = 0.496750045768218
25 = 0.533201073292596
26 = 0.569301043624338
27 = 0.604679084771601
28 = 0.638993887971074
29 = 0.671946054939952
30 = 0.70328705911182
31 = 0.732824402144069
32 = 0.760423002108014
33 = 0.78600323342325
34 = 0.809536301764071
35 = 0.831037763630525
36 = 0.85056000246354
37 = 0.868184382009093
38 = 0.884013650945879
39 = 0.898165005907147
40 = 0.910764060077794
41 = 0.921939828549029
42 = 0.93182073729233
43 = 0.940531590674707
44 = 0.948191389177323
45 = 0.954911868587507
46 = 0.960796628155722
47 = 0.96594072236451
48 = 0.970430604427108
49 = 0.974344325979221
50 = 0.977751914291392
51 = 0.980715864241253
52 = 0.983291696442564
53 = 0.985528544995485
54 = 0.987469748266567
55 = 0.989153424071641
56 = 0.990613016854848
57 = 0.991877809199794
58 = 0.992973393538575
59 = 0.993922102483462
60 = 0.994743398004825
61 = 0.995454220894235
62 = 0.996069302727867
63 = 0.99660144299736
64 = 0.9970617542933
65 = 0.997459878479777
66 = 0.997804176739593
67 = 0.998101896237682
68 = 0.998359315973963
69 = 0.998581874196749
70 = 0.99877427953855
71 = 0.998940607827617