Table 4.

Threshold effect.

Outcome:	CHD risk
Model I
A straight-line effect	0.970 (0.948, 0.992)
Model II
Fold points (K)	36
< K-segment effect 1	1.068 (0.960, 1.189)
> K-segment effect 2	0.956 (0.931, 0.982)
Effect size difference of 2 vs. 1	0.895 (0.796, 1.007)
Equation predicted values at break points	− 2.250 (− 2.401, − 2.099)
Log likelihood ratio tests	0.051

Independent variable: serum albumin; dependent variable: coronary heart disease (CHD). Results are expressed as OR (95% CI).

Adjust for: Gender; Age; Race; Diabetes; HDL-C; Hypertension; LDL-C; Creatinine.