Skip to main content

Table 3 Univariate analysis of the variables

From: Incidence and risk factors of postoperative delirium in the elderly patients with hip fracture

Variable B SE Wals df p valve OR 95% CI for exp
(B) OR
Lower Upper
Age 0.086 0.033 6.727 1 0.009 1.090 1.021 1.163
Hospitalization 0.101 0.025 15.958 1 0.000 1.106 1.053 1.162
Gender 0.207 0.454 0.207 1 0.649 1.229 0.505 2.992
Hypertension 0.388 0.454 0.730 1 0.393 1.474 0.605 3.590
Diabetes − 1.110 0.466 5.664 1 0.017 0.330 0.132 0.822
Coronary heart disease 0.408 0.505 0.652 1 0.419 1.504 0.559 4.408
Cerebral infarction 0.448 0.603 0.551 1 0.458 1.564 0.480 5.099
Albumin infusion 0.050 0.021 5.411 1 0.020 1.051 1.008 1.096
Preoperative Hospitalization 0.146 0.093 2.440 1 0.118 1.157 0.964 1.388
Preoperative HCT − 0.015 0.068 0.047 1 0.828 0.985 0.863 1.125
Postoperative HCT − 0.022 0.81 0.073 1 0.787 0.978 0.835 1.146
BMI − 0.085 0.072 1.398 1 0.237 0.919 0.799 1.057
Blood transfusion volume − 0.172 0.182 0.892 1 0.345 0.842 0.589 1.203
Preoperative leucocyte count 0.163 0.100 2.267 1 0.105 1.177 0.967 1.432
Preoperative albumin − 0.050 0.079 0.401 1 0.526 0.951 0.815 1.110
Preoperative TP − 0.016 0.051 0.105 1 0.746 0.984 0.890 1.087
NYHA 0.543 0.323 2.825 1 0.093 1.722 0.914 3.245
ASA 1.555 0.446 12.141 1 0.000 4.735 1.975 11.355
Anesthesia − 0.107 0.462 0.054 1 0.817 0.899 0.363 2.224
Operation − 0.111 0.479 0.053 1 0.817 0.895 0.350 2.287
The operation time 0.014 0.013 1.162 1 0.281 1.014 0.989 1.040
The anesthesia time 0.016 0.010 2.511 1 0.113 0.984 0.965 1.004
Intraoperative blood loss 0.006 0.003 3.522 1 0.061 1.006 1.000 1.013
Postoperative Na+ 0.063 0.055 1.313 1 0.252 0.939 0.843 1.046
Postoperative K+ 0.038 0.449 0.007 1 0.932 0.962 0.399 2.321
Postoperative leucocyte count 0.007 0.099 0.004 1 0.947 1.007 0.829 1.223
Postoperative Hb 0.160 0.224 0.515 1 0.473 1.174 0.758 1.820
DVT 0.338 0.516 0.428 1 0.513 1.402 0.509 3.856
  1. ASA American Society of Anesthesiologists, NYHA New York Heart Association, BMI body mass index, DVT deep venous thrombosis, HCT hematocrit, Hb hemoglobin, TP total protein, CI confidence interval, OR odds ratio, SE standard error