. Author manuscript; available in PMC: 2014 Feb 1.

Published in final edited form as: Med Decis Making. 2012 Oct 5;33(2):154–162. doi: 10.1177/0272989X12461856

Table 1.

Reclassification Table for the Null Case^*

a) Observed Reclassification (cases / non-cases)
Reference Model	Low	New Model		High	Totals
Reference Model	Low	Intermediate Low	Intermediate High	High	Totals
Low	40 / 1708	0 / 19	0 / 0	0 / 0	40 / 1727

Intermediate Low	1 / 18	120 / 1304	2 / 11	0 / 0	123 / 1333
Intermediate High	0 / 0	0 / 13	173 / 958	3 / 10	176 / 981

High	0 / 0	0 / 0	0 / 6	173 / 441	173 / 447
Totals	41 / 1726	120 / 1336	175 / 975	176 / 451	512 / 4488

b) Expected Reclassification (cases / non-cases)
Reference Model	Low	New Model		High	Totals
Reference Model	Low	Intermediate Low	Intermediate High	High	Totals
Low	40 / 1708	0.5 / 18.5	0 / 0	0 / 0	40.5 / 1726.5

Intermediate Low	0.5 / 18.5	120 / 1304	1 / 12	0 / 0	121.5 / 1334.5
Intermediate High	0 / 0	1 / 12	173 / 958	1.5 / 8	175.5 / 978

High	0 / 0	0 / 0	1.5 / 8	173 / 441	174.5 / 449
Totals	40.5 / 1726.5	121.5 / 1334.5	175.5 / 978	174.5 / 449	512 / 4488

Cells include cases/non-cases

Reclassification from a simulation comparing a reference model based on X (true OR of 8) and a new model based on X and Y (true OR of 1) with a base event probability of 10% and reclassification cut points at 5%, 10% and 20%.