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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Lancet Respir Med. 2014 Nov 24;3(1):42–52. doi: 10.1016/S2213-2600(14)70239-5

Table 3. A. Reclassification tables.

Super Learner 1: Super Learner with categorized variables; Super Learner 2: Super Learner with non-transformed variables. B. Reclassification statistics. Super Learner 1: Super Learner with categorized variables; Super Learner 2: Super Learner with non-transformed variables.

A.
Initial model Updated model Predicted probability according to initial model
0–0.25 0.25–0.5 0.5–0.75 0.75–1 % reclassified
SAPS II, original SL1 00.25 13,341 134 3 0 1%
0.250.5 4,529 723 50 0 86%
0.50.75 2,703 1090 174 2 96%
0.751 444 705 473 137 92%
SL2 00.25 12,932 490 55 1 4%
0.250.5 4,062 1,087 142 11 79%
0.50.75 2,531 1,165 258 15 93%
0.751 485 775 448 51 97%
SAPS II, refitted SL1 00.25 20,104 884 30 2 4%
0.250.5 894 1,426 238 9 44%
0.50.75 18 328 361 62 53%
0.751 1 14 71 66 57%
SL2 00.25 19,221 1,667 124 8 9%
0.250.5 765 1,478 318 6 42%
0.50.75 24 346 367 32 52%
0.751 0 26 94 32 79%
APACHE II, refitted SL1 00.25 19,659 1,140 107 6 6%
0.250.5 1,262 1,195 296 34 57%
0.50.75 89 298 264 71 63%
0.751 7 19 33 28 68%
SL2 00.25 18,930 1,764 200 18 9%
0.250.5 1,028 1,395 345 19 50%
0.50.75 50 333 309 30 57%
0.751 2 25 49 11 87%
B.
Super Learner 1 Super Learner 2
SAPS II, original cNRI 0.088
95%CI: (0.050, 0.126)
0.247
95%CI: (0.209, 0.285)
IDI −0.048
95%CI: (−0.055, −0.041)
−0.001
95%CI: (−0.010, −0.008)
SAPS II, refitted cNRI 0.295
95%CI: (0.257, 0.333)
0.528
95%CI: (0.415, 0.565)
IDI 0.012
95%CI: (0.008, 0.017)
0.060
95%CI: (0.054, 0.065)
APACHE II, refitted cNRI 0.336
95%CI: (0.298, 0.374)
0.561
95%CI: (0.524, 0.598)
IDI 0.029
95%CI: (0.023, 0.035)
0.076
95%CI: (0.069, 0.082)