Table 2 Cross-sectional Correlation Analyses between serum calcium level and the presence of RI in different models
Variable | The occurrence of RI | ||
|---|---|---|---|
Crude model (HR, 95%CI, P) | Minimally adjusted model(HR, 95%CI, P) | Fully adjusted model (HR, 95%CI, P) | |
Serum calcium level(mmol/l) | 3.0 (1.9, 5.0) < 0.001 | 3.0 (1.8, 4.9) < 0.001 | 3.6 (1.8, 7.1) < 0.001 |
Mean serum calcium(mmol/l) | |||
< 2.45 | 1.0 | 1.0 | 1.0 |
> =2.45 | 1.7 (1.2, 2.5) 0.004 | 1.7 (1.2, 2.5) 0.005 | 1.8 (1.1, 3.1) 0.016 |