Table 4. Multivariate analysis to estimate the risk (odds ratio) of developing a HAI according to vitamin D concentration, expressed in tertiles and adjusted for sex, age, ASA, Charlson index score, and surgery type (emergency vs planned).
OR | CI (2.5%) | CI (97.5%) | P-value | |
---|---|---|---|---|
T1 [8.8,25.5nmol/L] | 1 | - | - | - |
T2 (25.5,43.3 nmol/L] | 0.543 | 0.283 | 1.025 | 0.062 |
T3 (43.3,233 nmol/L] | 0.476 | 0.236 | 0.94 | 0.035 |
Abbreviations: CI, confidence interval; OR, odds ratio; T1, first tertile; T2, second tertile; T3, third tertile.