Table 4.
Serum phosphate levels in quintiles and all-cause mortality in men from RS-I, adjusted for age, BMI and smoking, follow-up until year 2012
| Quintile | Phosphate concentrations mean (range)* | no. events/no. risk | HR† (95% CI) | p |
|---|---|---|---|---|
| 1 | 2.56 (1.91–2.81) | 139/315 | 1 (reference) | |
| 2 | 2.92 (2.81–3.02) | 154/315 | 1.09 (0.87–1.38) | 0.439 |
| 3 | 3.15 (3.02–3.27) | 154/316 | 1.05 (0.83–1.33) | 0.660 |
| 4 | 3.37 (3.27–3.49) | 172/315 | 1.35 (1.08–1.69) | 0.008 |
| 5 | 3.77 (3.52–7.62) | 191/316 | 1.49 (1.19–1.86) | < 0.001 |
| p trend | < 0.001 |
Statistically significant p-values (<0.05) are highlighted in bold font
*Phosphate levels in mg/dL
†Hazard ratios from Weibull models; first quintile was set as reference