BMC Medical Research Methodology

Table 4 Class NRI

From: Statistical evaluation of adding multiple risk factors improves Framingham stroke risk score

Class NRI
0 ~ 0.7, 0.7 ~ 0.9, 0.9 ~ 1
Overall	point est	lower95	Upper95
NRI	0.028	−0.056	0.115
Event NRI	0.016	−0.069	0.103
Nonevent NRI	0.012	0.004	0.020
Male	point est	lower95	Upper95
NRI	−0.027	−0.133	0.099
Event NRI	−0.040	−0.145	0.083
Nonevent NRI	0.013	0.002	0.025
Female	point est	lower95	Upper95
NRI	0.022	−0.117	0.152
Event NRI	0.011	−0.131	0.141
Nonevent NRI	0.011	−0.001	0.021
0 ~ 0.95, 0.95 ~ 0.99, 0.99 ~ 1
Overall	point est	lower95	Upper95
NRI	0.053	−0.030	0.129
Event NRI	0.050	−0.032	0.126
Nonevent NRI	0.003	−0.001	0.006
Male	point est	lower95	Upper95
NRI	0.030	−0.087	0.148
Event NRI	0.027	−0.089	0.145
Nonevent NRI	0.003	−0.002	0.009
Female	point est	lower95	Upper95
NRI	0.056	−0.066	0.158
Event NRI	0.053	−0.065	0.156
Nonevent NRI	0.003	−0.003	0.007

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ISSN: 1471-2288

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