Table 3.
Equation parameters of confounding factors affecting HAI
| Covariate | OR | 95% C.I. for OR | P | |
|---|---|---|---|---|
| Lower | Upper | |||
| Constant | – | – | – | < 0.001 |
| ABT | ||||
| RBCs | 1.893 | 1.656 | 2.163 | < 0.001 |
| Cryoprecitation | 2.459 | 0.730 | 8.290 | 0.147 |
| FFPs | 1.494 | 1.146 | 1.949 | 0.003 |
| Platelets | 8.903 | 6.646 | 11.926 | < 0.001 |
| Gender | 1.307 | 1.210 | 1.411 | < 0.001 |
| Venous catheterization | 1.897 | 1.693 | 2.126 | < 0.001 |
| Mechanical ventilation | 2.185 | 1.895 | 2.519 | < 0.001 |
| Urinary catheterization | 1.953 | 1.776 | 2.149 | < 0.001 |
| Tracheotomy | 5.473 | 4.607 | 6.501 | < 0.001 |
| Diabetes | 1.231 | 1.117 | 1.356 | < 0.001 |
| Hypertension | 1.475 | 1.350 | 1.612 | < 0.001 |
| Chronic obstructive pulmonary disease | 1.404 | 1.220 | 1.615 | < 0.001 |
| Age | 1.015 | 1.013 | 1.018 | < 0.001 |
| ICU admission now or in the past | 1.422 | 1.255 | 1.610 | < 0.001 |
| Hemodialysis | 2.110 | 1.337 | 3.329 | 0.001 |
| Surgery | 1.107 | 1.022 | 1.198 | 0.012 |
| Community infections | 1.218 | 1.084 | 1.368 | 0.001 |
| Principal diagnosis (ICU-10 code) | ||||
| Certain infectious diseases and parasites(A00-B99) | – | – | – | < 0.001 |
| Tumor (C00-D48) | 0.439 | 0.361 | 0.534 | < 0.001 |
| Blood and hematopoietic diseases and certain diseases involving immune mechanisms (D50-D89) | 0.523 | 0.334 | 0.820 | 0.005 |
| Endocrine, nutritional, and metabolic diseases (E00-E90) | 0.692 | 0.529 | 0.904 | 0.007 |
| Mental and behavioral disorders (F00-F99) | 0.766 | 0.550 | 1.067 | 0.115 |
| Nervous system diseases (G00-G99) | 0.841 | 0.667 | 1.061 | 0.145 |
| Eye and appendage diseases (H00-H59) | 0.009 | 0.001 | 0.067 | < 0.001 |
| Ear and mastoid diseases (H60-H95) | 0.199 | 0.088 | 0.452 | < 0.001 |
| Circulatory diseases (I00-I99) | 0.573 | 0.473 | 0.695 | < 0.001 |
| Respiratory diseases (J00-J99) | 0.763 | 0.625 | 0.931 | 0.008 |
| Digestive diseases (K00-K93) | 0.331 | 0.266 | 0.412 | < 0.001 |
| Skin and subcutaneous tissue diseases (L00-L99) | 0.493 | 0.321 | 0.758 | 0.001 |
| Musculoskeletal system and connective tissue diseases (M00-M99) | 0.750 | 0.597 | 0.941 | 0.013 |
| Genitourinary diseases (N00-N99) | 0.414 | 0.328 | 0.522 | < 0.001 |
| Pregnancy, childbirth, and puerperium (O00-O99) | 0.244 | 0.168 | 0.353 | < 0.001 |
| Diseases that originated in the perinatal period (P00-P96) | 2.595 | 1.753 | 3.843 | < 0.001 |
| Congenital malformations, deformation, and chromosomal abnormalities (Q00-Q99) | 0.263 | 0.160 | 0.434 | < 0.001 |
| Abnormal symptoms, signs, clinical and laboratory results, and cannot be classified in other categories (R00-R99) | 0.222 | 0.120 | 0.413 | < 0.001 |
| Injury, poisoning and other external pathogenic factors (S00-T98) | 0.432 | 0.338 | 0.553 | < 0.001 |
| External causes of illness and death (V01-V98) | 0.476 | 0.378 | 0.598 | < 0.001 |