Table 3 The hazard ratio (95% CI) of chronic kidney disease and hypertension in relation to dietary oxalate and oxalate-to-calcium ratio

Dietary Ox (mg/d)

Crude

1.89 (1.25–2.85)

1.68 (1.16–2.65)

Model 1

1.79 (1.18–2.71)

1.52 (1.04–2.22)

Model 2

1.55 (0.95–2.55)

1.18 (0.77–1.83)

Model 3

2.59 (1.46–4.64)

1.79 (1.05–3.04)

Dietary Ox (mg/d)^*Ca (mg/d)^†

Low-Ca diet

2.43 (1.06–5.55)

2.68 (1.10–6.49)

High-Ca diet

1.72 (0.76–3.78)

1.48 (0.72–3.04)