The calibrated model-based concordance improved assessment of discriminative ability in patient clusters of limited sample size

van Klaveren, David; Steyerberg, Ewout W.; Gönen, Mithat; Vergouwe, Yvonne

doi:10.1186/s41512-019-0055-8

Table 1 Simulation characteristics (2000 replications) of c-index and c-mbc across 40 centers of 200 patients

From: The calibrated model-based concordance improved assessment of discriminative ability in patient clusters of limited sample size

Cluster	True	Bias		SD		rmse
Cluster	Concordance	C-index	c-mbc	C-index	c-mbc	C-index	c-mbc
1	0.664	0.002	0.051	0.055	0.027	0.055	0.057
2	0.666	0.001	0.047	0.059	0.027	0.059	0.054
3	0.695	0.001	0.032	0.053	0.024	0.052	0.040
4	0.699	0.000	0.025	0.056	0.024	0.055	0.034
5	0.702	0.000	0.026	0.054	0.024	0.053	0.034
6	0.705	− 0.001	0.030	0.049	0.025	0.048	0.038
7	0.710	− 0.002	0.022	0.051	0.023	0.050	0.031
8	0.712	− 0.001	0.015	0.056	0.024	0.055	0.027
9	0.712	0.001	0.028	0.048	0.024	0.047	0.035
10	0.718	0.002	0.020	0.051	0.023	0.050	0.029
11	0.726	0.001	0.004	0.056	0.024	0.055	0.022
12	0.727	− 0.001	0.001	0.058	0.024	0.057	0.022
13	0.727	0.000	0.017	0.047	0.023	0.046	0.027
14	0.727	0.001	0.010	0.051	0.023	0.050	0.023
15	0.731	0.001	0.008	0.049	0.022	0.048	0.021
16	0.735	− 0.001	− 0.001	0.053	0.023	0.053	0.021
17	0.735	0.001	0.006	0.050	0.022	0.049	0.021
18	0.738	0.000	0.001	0.052	0.023	0.051	0.020
19	0.741	0.001	0.006	0.047	0.022	0.046	0.020
20	0.744	0.001	0.007	0.045	0.022	0.043	0.020
21	0.750	0.000	0.002	0.046	0.021	0.045	0.019
22	0.751	0.001	− 0.004	0.049	0.022	0.047	0.019
23	0.755	0.001	0.006	0.043	0.023	0.041	0.021
24	0.755	0.000	− 0.008	0.049	0.022	0.048	0.020
25	0.757	0.002	− 0.007	0.046	0.021	0.045	0.020
26	0.757	0.002	− 0.013	0.051	0.022	0.049	0.023
27	0.763	− 0.002	− 0.015	0.050	0.022	0.049	0.024
28	0.763	0.000	− 0.014	0.048	0.021	0.047	0.023
29	0.765	0.000	0.000	0.041	0.022	0.040	0.019
30	0.770	0.001	− 0.009	0.043	0.022	0.042	0.020
31	0.772	0.002	− 0.011	0.043	0.021	0.041	0.021
32	0.774	0.001	− 0.015	0.044	0.021	0.042	0.023
33	0.780	0.000	− 0.015	0.042	0.021	0.041	0.024
34	0.787	− 0.001	− 0.029	0.046	0.022	0.044	0.034
35	0.788	0.000	− 0.036	0.048	0.023	0.047	0.041
36	0.791	0.001	− 0.018	0.039	0.022	0.038	0.026
37	0.795	− 0.001	− 0.028	0.041	0.022	0.040	0.033
38	0.798	− 0.001	− 0.031	0.041	0.021	0.040	0.035
39	0.798	0.001	− 0.027	0.040	0.022	0.038	0.033
40	0.803	0.000	− 0.033	0.040	0.022	0.039	0.038
Average	0.745	0.000	0.001	0.048	0.023	0.047	0.028

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ISSN: 2397-7523

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