Statistical analysis
All patients with an ICD-9 or ICD-10 codes for VTE, PE, or DVT were
included in the analysis. The following demographic data were gathered
for patients who met the inclusion criteria: age, sex, ethnicity, weight
at enoxaparin initiation (if given, otherwise most recent weight, in
kg), height (in cm), body mass index (BMI), serum creatinine at
initiation of enoxaparin, and critical care status. The following
anticoagulation data were gathered for patients meeting inclusion
criteria: enoxaparin dose (mg/kg), anti-Xa levels, and number of
enoxaparin dose changes. Data was analyzed using the statistical
software, SPSS version 19.14 The primary outcome was
analyzed using a multiple logistic regression and secondary outcomes
were reported through descriptive statistics.