| Adjusted HR (95% CI), P-value |
---|---|
All-cause mortality | |
 Fitting by the standard linear model | 1.00 (0.99, 1.00) 0.31 |
 Fitting by the two-piecewise linear model |  |
 Inflection point | 54.40 nmol/L |
 25(OH)D concentrations < 54.40 nmol/L | 0.98 (0.96, 0.99) < 0.01 |
 25(OH)D concentrations ≥ 54.40 nmol/L | 1.00 (1.00, 1.01) 0.40 |
 P for Log-likelihood ratio | 0.02 |
CVD mortality | |
 Fitting by the standard linear model | 1.00 (0.99, 1.01) 0.84 |
 Fitting by the two-piecewise linear model |  |
 Inflection point | 27.70 nmol/L |
 25(OH)D concentrations < 27.70 nmol/L | 0.83 (0.72, 0.95) < 0.01 |
 25(OH)D concentrations ≥ 27.70 nmol/L | 1.00 (0.99, 1.02) 0.56 |
 P for log-likelihood ratio | 0.02 |