Associations of the Cardiometabolic Index with the Risk of Cardiovascular Disease in Patients with Hypertension and Obstructive Sleep Apnea: Results of a Longitudinal Cohort Study
Table 4
Discrimination of each predictive model for outcomes using -index, continuous-NRI, and IDI.
C-index (95% CI)
value
Continuous NRI (95% CI)
value
IDI (95% CI)
value
Cardiovascular disease
Established risk factors
0.600 (0.567, 0.633)
—
Reference
—
Reference
—
Established risk factors+CMI
0.648 (0.615, 0.681)
<0.001
0.179 (0.114, 0.248)
<0.001
0.013 (0.005, 0.025)
<0.001
Coronary heart disease
Established risk factors
0.639 (0.602, 0.677)
—
Reference
—
Reference
—
Established risk factors+CMI
0.675 (0.638, 0.712)
0.001
0.173 (0.108, 0.257)
<0.001
0.008 (0.002, 0.018)
<0.001
Stroke
Established risk factors
0.540 (0.484, 0.596)
—
Reference
—
Reference
—
Established risk factors+CMI
0.596 (0.541, 0.652)
0.017
0.155 (0.020, 0.272)
0.007
0.007 (0.001, 0.022)
<0.001
Established risk factors included age, sex, smoking status, drinking status, history of diabetes, BMI, TC, TG, HDL-C, LDL-C, and FPG levels. NRI: net reclassification index; IDI: integrated discrimination improvement. Other abbreviations appear in Table 1.
