Table 2

Impaired eGFR regression models - vitamin D quartiles study population & population cut-off points
eGFR <60 OR (95% CI)
25(OH)D level nmol/L Model 1a Model 2b Model 3c
≥77 Ref Ref Ref
61-76 0.87 (0.37-2.01) 0.57 (0.29-1.12) 0.56 (0.28-1.09)
47-60 1.11 (0.62-2.00) 0.69 (0.39-1.21) 0.69 (0.37-1.28)
<47 1.62 (0.90-2.91) 0.76 (0.49-1.19) 0.73 (0.43-1.25)
Ptrend 0.05 0.57 0.53
eGFR <60 OR (95% CI)
≥75 Ref Ref Ref
50-74 1.02 (0.60-1.75) 0.67 (0.44-1.02) 0.65 (0.40-1.06)
25-49 1.45 (0.87-2.42) 0.73 (0.49-1.07) 0.68 (0.42-1.09)
<25 2.14 (0.80-5.73) 0.73 (0.29-1.80) 0.93 (0.35-2.51)
Ptrend 0.08 0.33 0.46

* p < 0.05, #p < 0.01, p < 0.001.

OR - odds ratio, CI – confidence interval.

a unadjusted.

b adjusted for age and gender.

c adjusted for age, gender, diabetes, body mass index, triglycerides, cardiovascular disease, smoking, season, albuminuria and systolic blood pressure.

Damasiewicz et al.

Damasiewicz et al. BMC Nephrology 2012 13:55   doi:10.1186/1471-2369-13-55

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