The Relationship between Estimated Glomerular Filtration Rate and Diabetic Retinopathy

Table 5

Saturation effect analysis before and after adjustment of the effect modifier.

		Before adjustment	After adjustment
Model I	OR value	0.985 (0.980, 0.990) <0.001	0.988 (0.974, 1.002) 0.089
Model II	Breakpoint (K)	97.330 (31st percentile)	99.400 (34th percentile)
	OR1 (<99.400)	0.979 (0.971, 0.987) <0.001	0.965 (0.939, 0.991) 0.008
	OR2 (>99.400)	0.995 (0.984, 1.006) 0.351	1.003 (0.983, 1.023) 0.779
	OR2/OR1	1.016 (1.00, 1.032) 0.050	1.040 (1.002, 1.078) 0.037
	Logarithmic likelihood ratio test value	0.050	0.036

Adjustment variables: duration of DM, FBG, 2hPG, HbA1c, LDL, TC, BUN, SCR, and SBP.